Learn The Basic Of AA & AAA Battery Voltage Rangeif(typeof ez_ad_units! undefined…

Learn The Basic Of AA AAA Battery Voltage Range

The standard size for a dry cell battery is AA or AAA, which is usually used for low drain electronic devices and gadgets. AAA batteries only measure 10.5 mm and used as a single cell.

What is the difference between the voltage of an AA and AAA battery? AA and AAA battery voltage has a nominal voltage of 1.5V. The energy of these batteries will generally decrease during the lifespan of a cell.

AAA and AA batteries are most commonly found in the household. It powers small electronic gadgets like flashlights, radio, and calculators. It caters to more people than other battery types.

What Are The Voltage Of AA AAA Battery?

As I have already answered earlier, the voltage of both battery types is 1.5 nominal voltage.

What About The Voltage Of Lithium AA Batteries?

Lithium AA batteries have a 3V voltage, while the rechargeable lithium batteries have 3.5 Voltage. The NiMH and NiCd are both rechargeable batteries and have 3.5 and 1.2 Voltage.

What Voltages Indicates Bad For AA AAA Battery?

A suitable voltage for an AA and Triple-A batteries is something in between 1.1V and 1.5V. That means the battery has a full charge. However, if the voltage drops to something below 1.1V is already a dead battery. You may use a voltmeter to test how much power is left in your alkaline batteries.

Here are some steps or procedures you can follow in testing your AA and AAA batteries below:

Step 1: Using your voltmeter or multimeter, you have to set it under the DC mode. You can find the DC mode in the center dial with the label VDC. Sometimes it is the single line with three dashed lines under it. Step 2: The multimeter must be set to a voltage nearing the 1.5 Voltage, while it is placed under the DC mode. Usually, the dials of a multimeter have values increasing by 10s. For example, a multimeter will have a set of 2V, 20V, 30V … and 200V settings for the AC mode. And since AA and AAA batteries are only 1.5V, you have to choose 2V. Step 3: Connect the multimeter’s red lead to the positive terminal of the battery. The elevated bump on an AA and Triple A batteries are the terminal. The black lead of the multimeter to the negative terminal; this is the flat end of the cell. Step 4: Hold both ends of the lead and read the multimeter display. The multimeter should have a reading of 1.1V to 1.5V to indicate a full charge and a reasonable charge. If your meter reading falls from 1.1V and below, that means that your battery does not have sufficient charge or maybe dead.

What Are The Voltage Of These Dead Battery?

We call a battery nearing depletion to be in its end-voltage. Every chemistry has its specific voltage, and 90% of the initial energy is often referred to as the end voltage.

By using the application, we can best specify the end voltage of a battery. Electronic appliance and gadgets have their particular energy in which it begins to fail or hinders itself from the proper operation. This reading would indicate the total no.of cells or the full voltage.

Portable equipment will often range from 1 to 1.1, but there are times when it will go down to 0.9V. When the digits continue to lower, it will make the equipment operate longer during the set of battery charge.

It is also the same reason why primary battery manufacturers don’t use Amp hours. They prefer to show the voltage discharge curves against time. Another reason is that the capacity differs by discharge rate. They also make a list of multiple curves through the current.

What Are The Differences Between AA And AAA Batteries?

Both AA and AAA batteries are called alkaline cells. They are both used to power electronic gadgets and devices. But, besides that what sets them apart?

AAA batteries are different in size with a AA battery. AAA batteries are much smaller than AA cells. The Energy Storing Capacity is relative to the size of the battery. Although they are both giving off 1.5V, the amount of energy to be wasted also varies. AA batteries tend to keep the power a little longer than AAA cells. 2. The difference in price also varies. The law of supply and demand dictates the future of cost differences. 3. In terms of sale, AA batteries are sold much more than AAA cells. There is more demand for AA batteries than AAA batteries. For every 12 purchases made for these batteries, 10 or 11 are AA batteries, while AAA batteries remained to be costly because there are low production and low demand.

What Are These Battery Nominal Voltage?

Nominal means name. For a battery like the AA and AAA, nominal voltage refers to the RMS value.

Nominal voltage refers to the system voltage during the distribution point, let’s say for example 220VAC. When we say Nominal utilization voltage, it is the energy consume at user point. It is also the one imprinted on the equipment, e.g., 120VAC.

Voltage ranges also refer to the defined highs and lows above the numbers that are needed to be maintained. Every system and supplies should be required to conform to that kind of limitations.

Ranges are the one that defines the limit within the nominal values.

AA AAA Battery Voltage Chart

This chart shows the battery voltage rate against the its discharge capacity. Looking at the table or chart, you’ll see that a battery with a voltage of 1.5 has a discharge rate of 750mAh.

AA Battery Voltage Range

To better understand battery voltage range and capacity, you should try to understand this correlation between voltage and capacity. A cell stores up energy, while function refers to how much energy it can store. Does that make sense?

In a typical battery like the basic types, a constant voltage can be replaced with volts multiplied by the amps. Voltage is the normal parameters for a cell. Once you have chosen the energy, you can specify the capacity by the amp-hour rating.

An alkaline battery or NiMH cell in a standard AA size has something about 2000 to 3000 mAh. With a battery voltage of 1.2V up to 1.5V will correspond to 2 to 4 Wh with each battery. If you use multiple arrays in a series, the voltage rises but the capacity in the amp-hours will remain the same.

Therefore, if you will be using 3 AA battery in a series, it will give you higher voltage. If you arrange them in parallel, it will provide you with the same energy as a single cell.

AA Battery Voltage Range

4AA battery voltage range as we have explained in a 3AA battery depends on how you used them. The voltage rises if you arrange these batteries in a series. If they are in parallel, it increases the current flow.

How These Battery Arrangement And Power Works?

To further explain how a 3AA and 4AA voltage range works, it will be helpful to understand the battery arrangement and power.

Battery Arrangement

Parallel Arrangement. Showing the diagram on top, it shows a parallel method of batteries. These four batteries in a parallel system will produce the same voltage as a single battery, 1.5V. The rate in which an electric charge passes through a circuit is called a Current. We usually measure the current through Amperes. In general, batteries with a higher ampere per hour ratings are the ones with greater capacities. Serial Arrangement. The lower diagram shows an example of a serial arrangement. When you series four batteries it will produce the current of one battery. However, the voltage will be four times of a single cell. The measurement of energy per unit charge is what we call voltage, and it is measured in volts.

In a battery, voltage is the determinant on how strong the electrons are pushed into the circuits, in the same way, that pressure is the one that determines how strong the water will be pushed into the hose. Majority of the alkaline batteries like AA, Triple-A, C and D batteries have 1.5V.

To show you more clearly, the diagram showed batteries with a rate of 1.5V and 500 milliamps per hour. In a parallel arrangement, the four cells will produce 1.5V with a speed of 2000 milliamps-hour while the four batteries in a series will be able to provide 6V with 500 milliamps-hour.

How To Check AA And AAA Battery Voltage

Checking Battery voltage is easy if you have all the materials and tools you needed. You can check battery voltage by using a multimeter.

You will need the following:

Voltmeter AA or AAA batteries

AA/AAA Alkaline batteries have a voltage of 1.5V AA/AAA NiMH or NiCd rechargeable batteries have a voltage of 1.25V

Ways To Test AA AAA Battery With Multimeter

Connect the voltmeter to your battery terminals and set to the DCV mode. Make sure that you set the voltage far from the energy of the batteries. If it has a 20V in DCV mode, set it there. Check the connections properly, positive terminal for positive cable and vice versa.

If the reading gives you more than 1.3V for non-rechargeable batteries, then it still has some juice in it, you can still use the batteries. If it is lower than 1.3V, then you can properly dispose of your cells.

It is really important to learn how batteries work. AA and AAA battery voltage helps us to know if the batteries we have at home will still work after storing it for several months. You might be storing these batteries not knowing they can self-discharge after several months.

The 9 Best Rechargeable Batteries On Earth Today

Single-use batteries might seem like a budget-friendly option as they are initially cheap. However, they often lose their power quickly and without notice. A better alternative is recharging batteries. Several companies manufacture and sell these batteries. The top rechargeable battery brands offer the best value and performance. Knowing what you want in a battery makes buying shopping easier. We have done some investigations and found the nine best rechargeable batteries in 2023.

  • Best Overall Rechargeable Battery: Panasonic Eneloop AA Battery
  • Best AA Rechargeable Battery: Pale Blue AA Battery Pack
  • Best Budget Option: Amazon Basics AA Battery
  • Best AAA Rechargeable Battery: Duracell AAA Battery
  • Best 9V Rechargeable Battery: EBL 9V Battery and Charger
  • Best C Cell Battery: Energizer C Battery
  • Best D Cell Battery: Tenergy High Capacity D Battery
  • Best for USB Charging: JWWYJUSB Rechargeable Batteries
  • Best 12V Rechargeable Battery: Optima 12V Batteries RedTop
  • Up to 2000mAh capacity
  • 2100 recharge cycle
  • Pre-charged using solar
  • Long battery life (up to 10 years)
  • Ideal for cameras, flashlights

We earn a commission if you make a purchase, at no additional cost to you.

learn, basic, battery, voltage
  • USB rechargeable AA batteries
  • Lithium Ion 1.5v 1700 mAh
  • Charges Under 1 hour
  • Over 1000 Cycles
  • 4-in-1 USB-A to USB-C charging cable
  • LED charge indicator

We earn a commission if you make a purchase, at no additional cost to you.

  • Long battery life
  • Easy to use and store
  • Faster recharger, minimal power loss
  • NiMH High-capacity battery, 2400 mAh
  • Perfect for wireless devices, toys

We earn a commission if you make a purchase, at no additional cost to you.

  • Multi-use battery
  • 4 AAA batteries in the pack
  • Long-lasting charge
  • Recharge up to 400x
  • Precharged, ready to use

We earn a commission if you make a purchase, at no additional cost to you.

  • Long-lasting C-cell batteries
  • Leak-proof design
  • Perfect for radio, flashlights, portable devices
  • Recharge up to 1000x
  • Up to 10 years shelf life

We earn a commission if you make a purchase, at no additional cost to you.

  • 4-pack 9V batteries (Li-ion)
  • Battery charger in the box
  • Rechargeable battery with 600mAh
  • Comes pre-charged, no memory effect
  • Best for smoke alarms, medical devices and radio
  • 1x micro-USB cable in the boxudi

We earn a commission if you make a purchase, at no additional cost to you.

  • Rechargeable 1.2V D cell battery
  • 10,000mAh battery capacity
  • No memory effect
  • Recharge your battery anytime
  • Best for low/high draining devices

We earn a commission if you make a purchase, at no additional cost to you.

  • 4-pack AA rechargeable batteries
  • Lithium Ion 1.5v 2550 mWh
  • Type C battery charging cable
  • LED charge indicator

We earn a commission if you make a purchase, at no additional cost to you.

  • Optimal starting power
  • Up to 100 minutes runtime
  • Spillproof, mountable in any position
  • Vibration resistant and durable
  • Faster recharging
  • Perfect for SUVs, trucks, street cards, rods

We earn a commission if you make a purchase, at no additional cost to you.

Best Overall Rechargeable Battery: Panasonic Eneloop AA Battery

Panasonic Eneloop AA Battery is the best overall rechargeable battery due to its impeccable performance and durability. This battery is hard to beat as it comes with vital features. Before their distribution, these batteries are charged to the maximum with solar power at the factory. They come with a maximum of 2000 mAh (1900 mAh minimum). You can recharge them at least 2100 times.

Most rechargeable batteries are unable to perform optimally at very low temperatures. That isn’t an issue for Panasonic Eneloop AA Battery, as it can work in areas with temperatures below.4 degrees Celsius. Another remarkable thing about this battery is its inability to lose power if idle. Panasonic claims these batteries can retain a 70% charge even if not used for 10 years.

Exceptional durable batteries Not compatible with non-Panasonic chargers.
Comes fully charged by solar power from the factory.
Functions in freezing conditions, below.4 degrees Celsius

Best AA Rechargeable Battery: Pale Blue AA Battery Pack

The Pale Blue battery is our pick for the best AA battery due to its ability to charge very fast. You can charge four of these at once. Utah-based Pale Blue Company makes these batteries using lithium.

Not only does the Pale Bluee AA charge fast, but it is a fantastic best energy-saving battery. These lithium batteries can charge five times faster than NiMH batteries. You can charge this battery at least 1000 times to enjoy its 1700mAH capacity. It can also charge for under 1 hour. This battery also ranks higher than other durable rechargeable batteries. Pale Blue Company has different battery types in its lineup, including triple A, double A, C, D, and PV. Besides the batteries, the company also produces and retails AAA and AA sustainable kits and Home Conversion Kits.

Fully charges within 2 hours Charger requires a compatible USB plug
Over 1000 charging cycles Costly battery pack
On-board Smart charging technology

Best Budget Option: Amazon Basics AA Battery

The Amazon Basics AA Battery is the best budget option on our list, as it provides high power at a meager price. This battery goes against the popular belief that low-cost products aren’t inferior. With a 2400 mAh capacity, this battery beat some of the premium rechargeable batteries in the market.

Their self-discharge is also very low, at 80% after two years. This rate makes Amazon Basics AA Battery a suitable option for people that make bulk purchases as it decreases wastage. On the flip side, this battery has a short lifespan and only has 400 recharge cycles. Regardless of this disadvantage, it still provides excellent value.

2400 mAh capacity Very short lifespan
Comes fully charged from the factory.

Best AAA Rechargeable Battery: Duracell AAA Battery

The Duracell AAA Battery’s remarkable performance and high capacity make it the best AAA rechargeable battery on our list. Duracell isn’t the first manufacturer of rechargeable batteries, but it is renowned worldwide for its excellent products. Its AAA batteries provide long hours of service before they need recharging.

While other batteries have mAh ranging from 800-850, Duracell AAA Battery comes with 900mAh. This battery can also remain fully charged for a year without losing power. However, this battery has a short life span despite its impressive capacity. You can only recharge it 400 times.

900mAh capacity Shorter lifespan and recharge cycles
Value for money
Leak-proof design

Best 9V Rechargeable Battery: EBL 9V Battery and Charger

The EBL 9V Battery is our pick for the best 9V batteries as it is durable and has various safety features suitable for walkie-talkies, metal detectors, and smoke alarms. It is also ideal for medical devices that requires a constant power supply. Made of lithium, the EBL 9V holds more power than NiMH batteries.

You can recharge the EBL 9V battery at least 1200 times. It also comes with a charger and is compatible with any 9V PP3 charger. It is the safest option for any 9V battery user. An added safety feature prevents this battery from overheating, overcharging, and overloading. EBL 9V Battery has a very low discharge while in storage and holds 75% of its capacity for three years if unused. This battery is also sold pre-charged at 20% to ensure safety during shipping.

It doesn’t have a memory effect Charger can be faulty
Factory pre-charged at 20%

Best C Cell Battery: Energizer C Battery

Energizer C Battery made it to our list as the best rechargeable C battery due to its incredible performance, value, safety, and reliability. Though less common, the C-cell batteries power toys, bicycle headlights, and flashlights.

If you are looking for a battery with the longest run time, the Energizer C is the perfect choice, as it comes with 2500mAh power. The battery has a recharge cycle of 500 times and lasts three years. Since it is a NiMH battery, you can dispose of it safely. 7% of its material can be recycled.

Recycleable battery Short lifespan of three years.
Pre-charged from the factory.
Affordable model

Best D Cell Battery: Tenergy High Capacity D Battery

If you’re looking for a D cell battery to power gadgets with high energy demands, you won’t go wrong with the Tenergy High Capacity D Battery. This battery has an impressive 10,000 mAh, way higher than other models in price point. It is suitable for lower-drain applications such as field cameras. Because of its modest lifespan, you can recharge it 1000 times.

10,000mAh capacity Modest recharge cycle
UL certified for safety
Competitively priced

Best for USB Charging: JWWYJ USB Battery

The JWWYJ USB Battery is the best USB charging battery and is perfect for those who want to reduce electronic waste. With a 1700 mAh capacity, this battery offers an easy charging method. Since most new devices like cell phones and laptops are charged through USB-C, this battery also follows this trend.

This rechargeable battery has a USB-C charger that fits into any laptop and a charging strip. While charging, the battery will emit green light, which will stop flashing at full charge. Juicing up this battery takes only 90 minutes. JWWYJ USB Battery is also portable and has a secure case for each set.

Convenient USB-C charging option Only sold in a pack with four batteries.
Very affordable
Doesn’t require a secondary charger.

Best 12V Rechargeable Battery: Optima 12V Batteries RedTop

The Optima 12V Batteries RedTop is our best 12V rechargeable battery because it is durable and has a high capacity. It has a 30,000 mAh capacity, enough to power automobiles. Besides vehicles, it can also power forklifts and other heavy machines.

Although it is made of lead-acid technology, Optima 12V uses AGM (Absorbent Glass Mat). This prevents battery fluid from when tilted or tipped over. This battery comes with a 100-minute standby and exceptional vibration resistance.

Power vehicles and heavy machinery Expensive to buy
Up to 100 minutes runtime
Spill-proof design

How to Pick the Best Rechargeable Batteries: Step-By-Step

Picking the right battery isn’t as easy as most people think. Without the correct information, you will likely make a wrong choice. Rechargeable batteries are diverse, and their power output and reliability will differ. Keep these five things in mind when selecting the best rechargeable batteries.

  • Compatibility with Your Device
  • Temperature
  • Durability
  • Brand
  • Cost and Budget

Now let’s explore each in more detail.

Compatibility with Your Device

The sole purpose of buying batteries is to power up your gadget. Knowing which battery can effectively power up your device is significant. Some gadgets need batteries with a specific voltage. Anything above or below the required voltage will either lessen or damage the device’s performance.


The temperature levels in your home or office will determine if the rechargeable battery will work effectively. For instance, lithium-ion batteries function optimally in areas with temperatures of 20 to 45 degrees Celsius. So, they have limited functionality in coregionseas and during the winter season. If you live in cold regions, go for NiMH batteries.


When shopping for rechargeable batteries, you want a pack that can last. The best ones can live for years while delivering impeccable service. A battery’s durability depends on its recharge cycles. The best models can recharge over 2000 times. Others can last for over ten years. Although batteries with more recharge cycles are initially costly, they give value for your money in the long run.


Don’t overlook the brand when shopping for rechargeable batteries. Some companies have built a reputation for producing high-quality rechargeable batteries. These batteries also come with a warranty, which is a testament to their durability. You will never go wrong buying batteries from top brands such as Panasonic, Energizer, and Duracell, even though their products are expensive.

Cost and Budget

Your budget will ultimately decide the perfect rechargeable battery for you. Manufacturers sell batteries at different price points. Factors such as specifications, brand, and reliability will determine the battery’s price. Based on your budget, you can look for a battery that serves your needs effectively.

What to Know Before Buying Rechargeable Batteries

Rechargeable batteries offer good value. Here are the other things to know before you buy rechargeable batteries.

Types of Rechargeable Batteries

Some of the most popular types of rechargeable batteries that you can buy include:

  • NiCad – Cadmium-made batteries were the first rechargeable batteries ever made. Nickel Cadmium batteries are very toxic and produce dangerous waste. They also didn’t charge fully due to memory effects. Each charge also shortens its lifespan.
  • NiMH – Nickel Metal Hydride batteries were the second type released to the market. They were a better upgrade to NiCad as they didn’t have memory effects and were not considered toxic. NiMH batteries store more energy. Most AAA, AA, C, and D batteries are NiMH.
  • Li-ion – Made using the latest technology, Li-ion batteries are widely available and not toxic. over, they are more energy efficient than NiMH and don’t suffer from memory effects. Unfortunately, these batteries are costly and cannot work effectively in low temperatures.
  • Flow Batteries – The development of this battery technology is still ongoing. This technology enables users to replace the electrolyte fluid in the batteries to recharge their power. It was previously used on automotive batteries. We expect these batteries will launch soon.

Volts and Amps Hours

A better understanding of Volts and Amps Hours will guide you in picking the best battery. Voltage is the amount of power output released by the batteries. For instance, the AAA, AA, C, and D batteries release 1.2 volts. The voltage for these batteries is described on the product as 9V or 12V, etc.

Milliamp-hours (mAh), or Amp-hours, refers to the power capacity or fuel in each battery. For instance, you can get two AA batteries, one with 900 mAh and another with 2000 mAh, producing 1.2 volts. Although both batteries perform optimally, the one with 2000 mAh has a longer runtime than the 900 mAh battery.

Recharge Cycles

After continuous usage, every battery, regardless of its durability, will degrade. The durability of rechargeable batteries depends on how many times you can charge them. Manufacturers always state the number of times you can recharge these batteries before they degrade. The ones with more recharge cycles are costly, yet they guarantee maximum value.

Using Rechargeable Batteries: What It’s like

Rechargeable batteries are an upgrade of single-use batteries. They provide more value, allowing you to reuse them severally before they degrade. You won’t need to buy batteries every other month. Options like the Panasonic Eneloop AA Battery can serve you adequately for over ten years, giving you immense value for your investment. Rechargeable batteries also charge very fast, and some come with top-quality charging systems. Using rechargeable batteries guarantees value and the best user experience.

The 9 Best Rechargeable Batteries On Earth Today FAQs (Frequently Asked Questions)

What are rechargeable batteries?

Rechargeable batteries are energy storage devices that can be charged and reused multiple times. They are an eco-friendly alternative to disposable batteries.

Why should I consider using rechargeable batteries?

Rechargeable batteries offer several advantages, including cost-effectiveness, environmental sustainability, and convenience. They can be reused many times, reducing the need for single-use batteries and saving money in the long run.

What are the best types of rechargeable batteries?

The best types of rechargeable batteries vary depending on the specific application. Common types include Nickel-Metal Hydride (NiMH) batteries and Lithium-ion (Li-ion) batteries. Each type has its own strengths and considerations.

How long do rechargeable batteries last?

The lifespan of rechargeable batteries varies depending on factors such as the battery type, usage patterns, and charging practices. Generally, rechargeable batteries can last hundreds to thousands of charge cycles before their capacity starts to degrade.

Can rechargeable batteries be used in all devices?

Rechargeable batteries can be used in a wide range of devices, including cameras, flashlights, toys, remote controls, and more. However, it’s essential to check the device’s compatibility and follow any manufacturer recommendations.

About the Author

Brian Cherock

Self-described art critic and unabashedly pretentious, Brian finds joy in impassioned ramblings about his closeness to video games. He has a bachelor’s degree in Journalism Media Studies from the University of Southern California and five years of experience in entertainment journalism. Brian is a stalwart defender of the importance found in subjectivity and spends most days overwhelmed with excitement for the past, present, and future of gaming. As a writer, Brian likes covering varied topics including phones, wearables, tablets, Smart home devices, laptops, AR, VR, EVs, mobile payments, Fintech, and of course video games. Apart from gaming, other tech areas that interest him most include AI, EVs, cryptoNFTs. When he isn’t writing or playing Dark Souls, he can be found eating chicken fettuccine alfredo and watching anime.

Choosing the right power cells for compact devices.

AAA batteries (also known as triple-A batteries) power all kinds of devices, from recreational to essential. They’re found in dozens of devices from digital cameras and drones, to blood pressure monitors and laser levels. These tiny powerhouses deliver the same 1.5V output as a AA battery, but they are smaller and lighter so the gadgets they are used in can be more compact.

While all AAA batteries are the same physical size, their performance, durability, and cost can vary considerably. To help you find the right combination of power and value, we’ve rounded up the best AAA batteries to serve your needs.

How We Picked The AAA Batteries

Our main aim with this battery review is to explain the different types of triple-A batteries and give examples of the best of each type via our top picks. We researched all the leading brands to get a comprehensive view of the market.

Type: There are three main types of AAA batteries: alkaline, lithium, or nickel metal hydride (usually written as NiMH or Ni-MH). Each of these has its pros and cons, so it was important to understand how they perform in order to choose which was best for particular uses.

Power: Although all of these batteries have a nominal voltage of 1.5V, each device has a different way of using that stored energy. They are often referred to as high-drain (like drones) or low-drain (like simple alarms). When making the picks we wanted to offer solutions that suited all types of gadgets.

Price: There are plenty of cheap AAA batteries available, and some are an excellent value. However, high-drain devices can burn through them very quickly, so they are often a false economy. When choosing our favorites we tried to find the best balance between performance and price.

The Best AAA Batteries: Reviews Recommendations

Best Overall: Panasonic Eneloop

Why It Made The Cut: Although the initial cost is comparatively high, Panasonic Eneloop batteries offer incredible durability, good all-weather performance, and hold their charge for longer than their rivals.

Specs: — Type: NiMH — Capacity: 800 mAh — Pack Sizes: Four, 12, 16, 24

Pros: — Up to 2,100 recharge cycles — Ready to use — Durable power storage

Cons: — Expensive — Long charging times

Given the different performance levels and prices, it is not easy to pick the best AAA batteries overall. Our favorite disposable AAA batteries make a strong case, but with up to 2,100 recharge cycles possible, Panasonic’s Eneloops are currently the longest-lasting batteries on the market. They aren’t cheap, but because of their durability, they provide very competitive long-term value.

Panasonic’s Eneloop AAA batteries also overcome two of the notable drawbacks of many rechargeable NiMHs. First, a lot of them need to be charged before use, whereas these are pre-charged at the factory using solar energy (you may also be interested in our article about the best solar batteries ). Second, many don’t hold their charge while not in use. The Panasonic Eneloop batteries again deliver market-leading performance, retaining up to 70 percent for a decade (when stored following manufacturer instructions).

Unlike alkaline batteries that lose charge dramatically when the temperature drops, Panasonic Eneloop AAA batteries still function as low as.4 degrees Fahrenheit. However, when they do need to be recharged they will take several hours. It is worth buying these rechargeable batteries with a charger if you don’t already have one, as Panasonic’s own model has Smart features that charge each battery to the optimum level individually, and turn off automatically when full charge is reached.

Best Disposable: Energizer Ultimate AAA Batteries

Why It Made The Cut: Energizer’s Ultimate batteries are unrivaled in terms of consistent power output, shelf life, and temperature range. When reliability is important, they are undeniably the best choice.

Specs: — Type: Lithium Iron Disulphide — Capacity: 1,250 mAh — Pack Sizes: Four, eight, 12, 16, 18, 20, 24, 80

Pros: — Consistent power delivery — Outstanding shelf life — Excellent temperature range

Cons: — Expensive — Beware of fakes

When compared with other AAA batteries, the Energizer Ultimate is quite an expensive choice. It is a similar price to the Panasonic Eneloop, but is not rechargeable. It costs two or three times as much as the best alkaline AAA disposable battery. However, in performance terms, it has advantages over both.

A capacity of 1,250 mAh gives the Energizer Ultimate AAA Batteries dependable, durable power. In essence, it means they run more consistently for longer. These are the optimum batteries for high-drain devices like digital cameras, games controllers, and security devices. They have an operating range from.40 to 140 degrees Fahrenheit, so temperature fluctuations present no problems. The LiFeS2 chemistry gives it a shelf life of up to 20 years, and unlike rechargeable batteries, they don’t drain while being stored. They do not leak, and they are claimed to be 30 percent lighter than alkaline rivals.

We have read reports of fakes being discovered, particularly in large pack sizes. Always beware of unusually low prices, and only buy from reputable retailers.

Best Budget: Amazon Basics AAA Batteries

Why It Made The Cut: For many ordinary electronic devices, expensive high-performance batteries are simply overkill. Amazon Basics are a low-cost, effective solution for everyday use.

Specs: — Type: Alkaline — Capacity: 800 mAh (estimated) — Pack Sizes: Four, eight, 10, 20, 36, 100

Pros: — Multiple household uses — Long shelf life — Good value

Cons: — Modest performance — Leaks not unknown

There are times when high-power versions are a good idea, but often it is convenient to have a bunch of cheap AAA batteries in a drawer for everyday devices like clocks, kitchen timers, TV remotes, small toys, etc. There is little point in buying expensive lithium or NiMH rechargeable batteries for these low-drain devices. Amazon Basics AAA Alkaline Batteries are one solution, and the larger the pack size the more cost-effective they become.

Shelf life is quoted as 10 years, and they contain no toxic components so they are relatively easy to recycle. Minimal fuss-free packaging is another feature. Amazon doesn’t appear to provide a capacity rating for their alkaline AAA battery, though they do for their rechargeable version. Our estimate is based on that figure, and in our experience is likely to be within 50 to 100 mAh. We would not recommend them for medium- or high-drain electronics.

Best Alkaline: Duracell CopperTop Batteries

Why It Made The Cut: Duracell’s ‘copper-colored top’ is arguably the world’s most recognizable battery. It is hugely popular, and these versions provide excellent performance for ordinary household devices.

Specs: — Type: Alkaline — Capacity: 1,150 mAh — Pack Sizes: Two, four, eight, 12, 16, 20, 24, 28, 36, 40, 56

Pros: — Reliable long-term performance — Long shelf life — Good value for money

Cons: — Not for high-drain gadgets — Packaging is slightly confusing

Duracell’s CopperTop Batteries are a high-quality, mid-range choice. They don’t have quite the performance of lithium models, but they cost considerably less. At the other end of the scale, there are certainly cheaper batteries around, but ‘throwaway’ models don’t offer the long-lasting power of the Duracell CopperTops in things like flashlights, toys, electronic thermometers, bathroom scales, etc. — the kind of medium-drain devices where the need to change batteries often soon gets frustrating.

A capacity of 1,150 mAh is remarkably high for alkaline batteries, meaning Duracell CopperTops deliver more consistent energy than many competitors. Like all alkaline batteries, they lose charge more quickly at lower temperatures, so this is not a good choice for trail cameras or devices that are outdoors for long periods. Also, for high-drain devices, we would still recommend lithium alternatives.

Packaging can be a little confusing. Some say the shelf life is 10 years while others say it is 12 years. This may just be a design change and makes negligible difference to performance if any. There are rare complaints about batteries leaking but huge volumes of Duracell CopperTops are sold so in our view, the numbers do not indicate a significant problem.

Best for Flashlights: Panasonic Eneloop Pro

Why It Made The Cut: The high-performance Panasonic Eneloop Pro overcomes the power drain problems associated with rechargeable AAA batteries, so your devices are ready to go when you need them most.

Specs: — Type: NiMH — Capacity: 950 mAh — Pack Sizes: Four, eight, 12, 16

Pros: — Excellent energy retention — Pre-charged — Good cold weather performance

Cons: — Expensive — Nor for watertight devices

A flashlight is often something that is used in emergencies and may have been left unattended for months. The last thing you need when the lights go out is to be searching around in the dark for batteries. Lithium AAA batteries are a good choice but are expensive. Rechargeable AAAs are an alternative that is much more cost-effective in the long run, but the fact that they self-discharge (the power drains over time) can make them impractical. Panasonic’s Eneloop Pros have largely overcome this problem, and we think they are the best rechargeable batteries for the job.

Unlike many NiMH AAA batteries, the Panasonic Eneloop Pros come ready to use, having been pre-charged using environmentally-friendly solar power. Over the period of a year they will retain up to 85 percent of their charge, so they can be trusted to perform when required. They make an equally strong choice for high-drain devices like camera flashes, and drones. Or for long-term use in wireless keyboards, and portable electronics. They can be recharged up to 500 times.

Things to Consider Before Buying

All AAA batteries deliver 1.5 volts of power, so deciding which are the best AAA batteries for particular devices largely comes down to the type, or in other words, the chemicals used to hold the charge.

Alkaline: Alkaline AAA batteries combine graphite, magnesium, potassium, steel, and zinc. They are considered environmentally friendly because they are relatively easy to recycle. Shelf life (how long they will last if left unused) is from seven to 10 years. They are the cheapest AAA batteries and are recommended for low-drain devices like remote controls, clocks, and blood pressure monitors. Alkaline batteries can leak, which could damage equipment, but it is no longer a common problem.

Rechargeable alkaline AAA batteries do exist but are generally outperformed by other types.

Lithium: There are several types of lithium AAA batteries. The most common disposable types are simply called lithium. They have a shelf life of 10 or more years, and typically last three to five times as long as alkaline AAA batteries in use. As a result, lithium AAA batteries are recommended for high-drain devices. They can also withstand temperatures from below-freezing to over 100 degrees Fahrenheit. The one drawback with lithium batteries is that they can occasionally produce too much power for some gadgets, so it’s important to check the recommendations of the device manufacturer before using them.

The most recent development in non-rechargeable AAA batteries is Lithium iron disulfide (Li-FeS2). They are exceptionally durable and have a shelf life of up to 20 years.

Lithium-ion (Li-ion), and lithium iron phosphate (LiFePO4) are both rechargeable battery types and are generally used for vehicle and marine batteries. Lithium-ion AAA batteries are available, and many have the advantage of being rechargeable via USB rather than needing a separate charger. However, they are expensive.

NiMH: Most AAA rechargeable batteries are nickel metal hydride. While initially more expensive than alkaline or lithium disposable batteries, they can be recharged hundreds or even thousands of times. They work well in high-drain devices. Shelf life is typically around five to seven years.

Though invariably marked as 1.5V, nominal voltage is usually 1.2V. However, power is delivered very consistently rather than other types of batteries that can drop quickly. In many cases, this won’t make a great deal of difference, but again it’s worth checking the advice of your gadget’s manufacturer. Also, the charge drains away whether used or not, so some need regular charging. You can either buy AAA rechargeable batteries with a charger or source the charger separately.

Capacity: While the voltage of AAA batteries is within a fairly narrow range, it may also be worth considering the milliAmp hours (mAh) rating. This has an impact on how long the battery can supply energy. Technically, a milliamp hour is a thousandth of an amp, supplied consistently for one hour. In real terms, if you have two 1.5V AAA batteries, one rated for 750 mAh, and the other for 1,000 mAh, then the second will deliver its charge for significantly longer.


Q: What are AAA batteries used for?

They can be used to power a range of small, electronic devices from flashlights and TV remotes, to thermometers and bathroom scales.

Q: How much voltage can a AAA battery supply?

The nominal voltage — stated by all battery manufacturers — is 1.5V. In practice, voltage can fluctuate from around 1.2V to 1.6V. In the majority of cases, this isn’t enough to have any impact on the device being powered but it is worth checking the advice of the equipment manufacturer.

Q: How long do AAA batteries last?

In an unused state (called the shelf life), most AAA batteries last from seven to 10 years, though some last longer. Once inserted, it depends on the power demands of each gadget. It can be anywhere from several months to just a few hours.

Q: What’s the difference between AAA batteries and AA batteries?

Although they both provide the same voltage, AAA batteries are physically smaller than AA batteries. As a result, AAA batteries cannot be used in AA battery slots or vice versa.

Q: Are lithium AAA batteries worth it?

Lithium batteries are worth it for gadgets that need a lot of energy (such as digital cameras and radio-controlled toys), or in situations where they are subject to temperature extremes. The best lithium AAA batteries we found have an operating range of.40 degrees Fahrenheit to 140 degrees Fahrenheit.

Final Thoughts on AAA Batteries

Our top two picks are remarkable AAA batteries. The number of times the Panasonic Eneloop can be charged makes it surprisingly economical in the long term. The performance of the Energizer Ultimate is outstanding, although it does come at a price. For those who just want a cheap AAA battery for everyday gadgets, the Amazon Basics provide unbeatable economy.

Why Trust Us

Let’s get one thing out of the way: Online shopping is hard. Search for any product and you’ll be confronted with dozens (if not hundreds or thousands) of choices. Our mission at Futurism, where we cover the latest technology, is to simplify this experience by researching, testing, and continuing to evaluate products so we only recommend choices that are actually worth your time.

This post was created by a non-news editorial team at Recurrent Media, Futurism’s owner. Futurism may receive a portion of sales on products linked within this post.

What is the Voltage of a AAA Battery? (Averages Types)

Ever wondered how much power a tiny AAA battery packs? Well, you’re in luck because, in this article, we will dive into the world of AAA batteries and explore their voltage.

The average voltage of a non-rechargeable AAA battery, like alkaline and zinc-carbon, ranges from 1.5V to 1.8V. Rechargeable batteries, on the other hand, typically have a 1.2V voltage.

These little powerhouses might not seem like much, but they keep our portable devices running smoothly.

I will go into more detail below.

The Voltage of AAA Batteries

AAA batteries are like the smaller siblings of AA batteries but just as vital for powering our everyday gadgets, right? So let me share some cool facts about the voltage of these handy little powerhouses.

First off, the ideal voltage for an AAA battery is 1.5 volts. Surprisingly, when fresh out of the package, they read between 1.35 and 1.45 volts.

I had a lightbulb moment when I discovered this slight variation! That’s still enough juice to keep our devices up and running.

Now, not all AAA batteries are created equal. There are generally two types: rechargeable and non-rechargeable.

The non-rechargeable ones are often alkaline or zinc-carbon batteries, while the rechargeable ones are usually NiCad or NiMh.

The non-rechargeable ones have a voltage of 1.5 volts, while the rechargeable ones have a slightly lower voltage of 1.25 volts.

Want to check the voltage of your AAA batteries at home? Here’s a nifty trick! You can use a voltmeter to do so. Just set it to the “20” DCV setting and test away.

That’s what I do when I’m feeling like a battery-testing superhero!

Types of AAA Batteries and Their Voltages

Non-Rechargeable AAA Batteries

Non-rechargeable AAA batteries are always there when you need them. Their most common type is the alkaline battery. These little powerhouses have a nominal voltage of 1.5 volts.

When we talk about zinc-carbon batteries, we also find a 1.5-volt output, but they often have a shorter lifespan.

learn, basic, battery, voltage

Then there’s a more exotic type called lithium iron disulfide (Li-FeS2) batteries. These high-performance batteries also give you 1.5 volts up to a peak of 1.7V.

However, they can up the ante in extreme conditions like freezing temperatures or high-drain devices.

Rechargeable AAA Batteries

Now, let’s move on to rechargeable AAA batteries. You may call them the eco-friendly alternative, and you’d be right!

They’re perfect for those devices you use daily and you don’t want to buy new batteries.

Nickel-metal hydride (NiMH) is a popular choice for rechargeable batteries. These bad boys offer a slightly lower 1.2-volt output but can be recharged hundreds of times.

Depending on the brand and quality, they are available in various capacities, usually 600 to 1100 milliamp-hours (mAh).

Nickel-Cadmium (NiCad) batteries have a nominal voltage of 1.2 volts and are known for their durability and ability to handle high loads.

However, they also have a relatively low energy density and can suffer from a “memory effect” if not properly maintained.

Factors Affecting AAA Battery Voltage

Manufacturing Tolerances

Regarding AAA batteries, it’s important to consider manufacturing tolerances. These little guys can have slight variations in voltage right out of the package.

I’ve found that a fresh AAA battery should measure between 1.5 and 1.7 volts with a digital voltmeter.

Just don’t sweat the small stuff – a tiny difference in voltage shouldn’t impact your device’s performance too much.

Temperature Effects

Now let’s talk about temperature. I’ve been out in the sun building houses, and trust me; the temperature can affect everything! The same goes for AAA battery voltage.

When a battery gets hot or cold, its voltage may change slightly. So, whether chilling in the snow or sweating in the sun, be aware that temperature could affect your batteries.

State of Charge

Finally, let’s chat about the state of charge for a moment. As your AAA battery loses its charge, you’ll notice its voltage dropping too.

A brand new AAA battery has a voltage of around 1.5 volts, but as it loses its energy, it will go down to around 1.2 volts. And when it’s completely out of juice? You’ll see a voltage of about 0.9 volts.

So, there you have it, folks! That’s the scoop on the factors affecting AAA battery voltage. Stay charged, and keep powering through!

Wrapping Up

AAA batteries come in different types like Zinc-carbon, Alkaline, and Li-FeS2. Each type has its voltage, but typically, AAA batteries have voltages of 1.5V.

A AAA battery can reach up to 1.7V, while a dead one might fall to around 0.9V.

Next time you’re looking for AAA batteries, remember to check the voltage (usually indicated on the battery itself) and ensure it’s compatible with your device.

Remember that non-rechargeable AAA batteries typically have voltages ranging from 1.5V to 1.8V. Now you’re all set to power up your favorite devices without worry!

  • “Batteries in a Portable World: A Handbook on Rechargeable Batteries for Non-Engineers” by Isidor Buchmann
  • “The Battery: How Portable Power Sparked a Technological Revolution” by Henry Schlesinger

Video References

Hello, I’m Sam. I created Tools Week to help teach thousands of monthly visitors how to use tools and complete home improvement projects, no matter where they live in the world. about us.

Leave a Comment