High Capacity Power Banks: A Lie in the Tech Industry
We know that the more energy a power bank stores, the more times it can charge a device. How do you know the amount of energy a power bank contains? We measure a battery’s electrical capacity by its mAh (milliamp Hours).
As technology thrives and demand increases, we’re beginning to see power banks on the market with a battery capacity of up to 30000mAh. In contrast, the size of the average smartphone battery tends to be under 6000mAh.
Most of us assume that the higher the power bank’s capacity, the better it is, but is this true?
The advertised battery capacity is not the actual size.
The biggest myth about cell phone power banks is that its power is listed in the technical specifications. If you see 10000mAh on a power bank or its user manual, you may assume it can charge your iPhone 11 (3110mAh) at least three times. Unfortunately, it’s going to run out of juice before the third charge completes because the real capacity is only about two-thirds the size of the advertised volume. Realistically, a 10000mAh power bank only has around 6000~7000mAh of power to charge up your iPhone 11.
The advertised capacity is just the theoretical value based on the battery cells. Power bank manufacturers often list the theoretical size as an advertisement, making their not-so-high-capacity power banks look better than they are.
False theoretical capacity
Worse still, some manufacturers sell power banks with fake theoretical capacity.
The most powerful power bank you can find on Amazon is 72000mAh and that’s over 150. If you search 100000mAh power banks online, you will see that eBay and Aliexpress are selling them, but if you take a closer look, you’ll find a scam. No well-known brands are making 100000mAh power banks, and those sold on e-commerce sites are suspiciously cheap. A 10000mAh power bank costs around 15~30, making little sense if the price for a power bank with energy ten times higher is the same.
Too bulky to be a portable power bank.
Given that the higher the capacity of a power bank, the bulkier it is, a real 100000mAh power bank is almost impossible to fit into a
Some devices can hold more than 100000mAh, but they are not really power banks. Take the Anker 120000mAh PowerHouse, for example, an electric power generator that can charge a laptop a few times, or power a mini-fridge for 7 hours. It’s much more powerful and more substantial than the traditional power bank.
A 10000mAh power bank weighs approximately 220-250g, while a 30000mAh can easily exceed 600g, about the same weight as two cans of cola. Although high capacity power banks are ideal power sources, especially when you are out for a long trip, you also have the additional weight.
Longer charging time
It takes longer to charge a cell phone if it has a bigger battery, similarly, to store more energy, a power bank requires longer to charge. If the input is 10W (5V/2A), which is the case for many power banks, it requires at least 5 hours for a 10000mAh power bank to charge fully. This is not very convenient, especially when you remember to charge it at the last minute.
You may already know that you will be asked about power banks when you check-in at an airport. Power banks are only allowed in carry-on baggage, and they should not exceed 100 watt-hours (Wh) per battery. You will need to seek approval from an airline if your power bank has between 100~160Wh, inevitably prolonging the check-in process.
Watt-hours is the number of watts the power bank can supply per hour. Watt-hours = (capacity)/1000 x (nominal voltage). The common nominal voltage for power banks is 3.8V; therefore, a 10000mAh power bank is 38Wh. 100Wh equals to 26315mAh (3.8V).
Are High Capacity Power Banks Even Necessary?
High capacity power banks are great, but there’s often a catch. They are not for everyone, and not suitable for every situation. For those who want to go camping with numerous electronic devices, large batteries are the first choice. On the other hand, if you commute to work every day, there’s no need to carry a bulky power bank. Charge your cell phone at home or the office, and if you start with a full battery, your mobile should survive the journey home.
Now comes the big question:
How do you make sure your phone battery is always full before you hit the road?
Most of us won’t pull out our charging cable right after sitting at the desk, while the phone is still showing 70% of battery. However, after taking calls, checking. and playing a game on your lunch break, the phone is down to 20% by the time we leave.
You may want to charge your phone whenever possible, but it’s hard to change your daily routine.
So, what’s the best solution?
The trick is to use a wireless charger that gradually encourages you to charge your phone, such as the MagEZ Slider 2. The MagEZ Slider 2 is detachable 3-in-1 wireless charger that can charge iPhone, Airpods, and Apple Watch simultaneously. The MagSafe power bank charges your iPhone 12, iPhone 13 and iPhone 14 at 5W/7.5W. When you don’t need to charge on the go, slide the power bank into the MagEZ Slider dock, so you won’t misplace or forget to charge it. When you need to charge on the go, simply slide it out, snap it to your phone, and rest assured that your phone will be active all day.
Have a long commute? Emergency?
If you happen to be a smartphone addict or have a long commute, your phone may shut down before you can access a power source. With the MagEZ Slider, this is no longer a problem as it doubles as a lightweight, magnetic power bank. When you need battery backup, pull your phone out with the power bank, and you are good to go.
In addition, the power bank will always be ready for your travel. With the dedicated dock, you won’t misplace it or forget to charge it anymore.
Think twice before purchasing a high capacity power bank because you may find that it doesn’t work as expected, or you don’t even need it. For many, high capacity power banks are not necessary. Charge your smartphone whenever you can by using the MagEZ Slider 2, and you’ll never be worried that your phone will die. Just turn it into a magnetic wireless power bank, and you can rest assured that your phone can last until you have access to power.
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Q: What is a portable power station?
A: Portable power station is a rechargeable lithium-ion battery. Easily recharged by solar panel, AC outlet, and car charging. Features AC/DC/USB charging ports, they can keep all your devices charged, from smartphones, tablets, laptops, to CPAP and small appliances, like a fan, heater, electric blankets, etc.
Q: How does a portable power station work?
A: It boosts the DC voltage by the DC to AC inverter system. After fully charged by solar panel, car charger or AC outlet, you could connect it to your small and medium devices from AC/DC/USB, and it would change the power to alternating current before sending it out to power a device, like your laptop and TV.
Q: What are the benefits of a portable power station?
A: As a battery-powered generator, it can not only work without noise, fume, and pollution when compared with a gas-powered generator but also could be recharged by compatible solar panels, which could harness the renewable and economical sun anywhere you go.
Q: How should I deal with my battery pack before it is stored for a longer time?
A: The battery level of the portable power station will drain gradually with time goes. So it’s strongly recommended to make it fully charged before you don’t use it for over 3 months.
Q: Why the portable power station is also called solar generator?
A: portable power station can store the energy absorbed from the solar panel, that’s why we also call it a solar generator.
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Fake capacity power banks exposed, or why you should buy genuine accessories
There’s one thing we can all agree on – power banks are pretty awesome. They store back-up charge in their own, internal battery and let us recharge our phones anytime, anywhere, even when we’re away from an outlet. But not all power banks are created equally. Some are small and light, designed to fit in the smallest of s; others are large and bulky, but hold much more charge. Then there are the power banks that blatantly lie about their capacity. Needless to say, you don’t want to own a power bank of the third kind.
These fake power banks can’t be found in your local BestBuy, that’s for sure. You won’t see them in reputable online stores either. But if you’ve ever searched for a power bank, you might have come across fakes on eBay, its Chinese alternatives, or other places where dodgy smartphone accessories can be found. Most of these are sold without branding, but fakes portraying themselves as genuine brand-name accessories do exist.
How to spot a fake power bank?
Well, using common sense should do the trick. Most power banks hold between 2,000 and 10,000 milliamp-hours (mAh) of charge – the higher the capacity, the larger the physical size of the accessory. The largest models on the market do reach capacities over 20,000mAh, but they’re a rare sight among average consumers due to their size, weight, and price.
Go to eBay, however, and you may come across power banks that supposedly pack 50,000 to 100,000 mAh of charge – an astonishingly large amount – but usually cost next to nothing. These are the fakes you should stay away from. Sure, they almost certainly will work as a power bank, but their actual capacity is guaranteed to be less than what the listing wants you to believe. In fact, if a power bank could really store 100,000 mAh of charge, it would be large enough to require a backpack to be carried around.
We’re not saying that every single power bank that offers lots of charge for little money is a fake. Indeed, there are some good value-for-money offerings, such as the 10,000mAh power bank from OnePlus costing 19, or the 20,000mAh one from Aukey priced at 25 on Amazon. But if a deal seems too good to be true, then it could really be a scam. Do your research before making a purchase.
How bad are those fake power banks anyway?
To answer this question, we spent some 10 on one of those suspicious no-name power banks. (So you don’t have to!) Our unit was supposedly capable of storing 20,000mAh of charge, which was quite a lot – about enough to provide an iPhone 6s with 10 full charges. However, the accessory could barely recharge an iPhone 6s twice before it ran completely out of juice. Clearly, the thing’s actual capacity was much less than the advertised 20,000mAh, so we cracked it open to see what was really going on under the hood.
Honestly, the internals of the accessory didn’t look as bad as we expected them to. Inside we found four lithium battery cells (type 18650, a popular standard) and a circuit board to control the charging process. The cells, however, looked fishy. The most alarming thing about them was the complete lack of labeling: neither their manufacturer, nor their voltage and capacity were stated. We could only assume that they were either old or of low quality, based on our experience with the accessory. In any case, four genuine, high-quality cells of this type should easily hold enough energy to recharge an iPhone 6s at least four times, but can never provide the advertised 20,000mAh capacity.
Conclusion: are fake capacity power banks worth it?
To summarize, fake capacity power banks are looking like a bad deal. The only good thing about them is that they cost very little money – between 10 and 20 in most cases, depending on the model. And yes, they seem to work. But as the saying goes, you do get what you pay for, and what you’re most likely going to get is a bunch of lies – a bank that can hold very little charge for its size, made with lithium cells of dubious quality. If you’re looking for a power bank, our advice is to go for one made by a brand name you can trust. Sure, it might cost a bit more than the fakes, but it is much more likely to give you the performance and features that its manufacturer is promising.
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How to Choose the Right Power Bank?
For a longer trip, you may want to choose a power bank with a higher mAh and wattage. Power banks with higher mAh can last for more charge cycles before needing a recharge themselves. This is especially helpful for trips that have a long travel time where you may not have guaranteed access to wall outlets to power your devices.
We recommend anywhere from 20,000 mAh to 30,000 mAh and 65W to 100W for trips with extended travel time. This level of charging capacity helps give you peace of mind during travel (which is already stressful as it is) and guarantees that you will not have to rely on wall sockets for your devices or for a recharge to your power bank.
For a shorter trip, you may not need as much mAh and wattage in your power bank. We recommend a range of 6000 mAh to 10,000 mAh and 20W to 45W for trips with a shorter travel time. These types of power banks hold plenty of energy to guarantee 1 or 2 full charges to your smartphone without needing to be recharged. That should be plenty of power to get you to your destination and within reach of a wall outlet.
Devices are particularly important during business trips. You may need your phone to link up with colleagues and your computer to get tasks done. For that reason, you may want to choose a power bank that has a high mAh to last multiple charging cycles, and that can power a variety of devices.
We once again recommend a 20,000 mAh to 30,000 mAh and 65W to 100W power bank for business trips. It may also be useful in these cases to have multiple power banks dedicated to each of your devices. Our Baseus Blade Laptop Power Bank has a charging capacity of 20,000 mAh and 100W, making it an excellent source of energy for your laptop while your phone is linked up to another portable charger.
When it comes to parties and small day trips, you will not need a portable charger with a huge charging capacity. We once again recommend a range of 6000 mAh to 10,000 mAh and 20W to 45W. Our Baseus Magnetic Foldable Power Bank, with a 10,000 mAh and 20W capacity, is particularly convenient for parties and other outings thanks to its ability to fold up and be used as a kickstand. Easily stored in your. it utilizes a magnetic connection to secure strongly to your device, providing a fast charge without interrupting your device usage.
All You Need to Know About Power Bank
Power banks allow you to charge your devices on the go. With a power bank in hand, you can juice up and continue to use your devices without worrying whether or not there will be outlets nearby to keep you going.
Power banks, also known as portable chargers, operate in a similar fashion to your bank account, hence their name. They act as a storage facility for energy. You can use the electrical energy stored within your power bank to charge your devices anytime and anywhere. This is largely thanks to a special type of circuit contained within the power bank itself that controls the flow of energy.
The process is really quite simple and consists of 3 parts: energy absorption, energy storage, and energy release.
Before you head out on any excursion, whether it’s a business trip, a day out with friends, or any other instance where you may find yourself without ready access to outlets, charge up your power bank through an external power supply like a wall socket. The energy will be stored within the portable charger in a chemical form, ready to be passed into your device at any moment when it is connected to the charger via an output port.
A fast charging power bank is exactly what its name implies: a portable charger that can juice up your devices at a much faster rate than simple wall chargers. These power banks utilize a higher voltage and essentially increase the number of watts being pumped into your device to charge it up more quickly than average.
Wireless power banks are extremely convenient for those who hate traveling around with tons of wires. Rather than getting all tangled up in wires every time you need to charge your devices, simply rely on a wireless power bank. Though they do require a USB to charge themselves, these handy gadgets have the ability to charge your devices through contact alone, with no wired connection required. Battery cases that attach to the back of your phone are one common example of wireless power banks.
To understand the question, we first need to take a look at mAh. The unit mAh is also known as a milliamp hour, and it refers to the charging capacity of a power bank. It indicates how much energy can be transferred from your power bank to another device over time. And, of course, the higher the mAh of a power bank, the more energy it can provide.
Today’s average smartphone has a battery capacity of 2,800 mAh. With that number in mind, let’s break down the charging output you can expect from these common types of power banks:
- 6000 mAh: 2 full smartphone charges before power bank recharge required.
- 10,000 mAh: About 3.5 smartphone charges before a power bank recharge is required.
- 20,000 mAh: 7 full smartphone charges before power bank recharge is required.
- 30,000 mAh: Nearly 11 full smartphone charges before a power bank recharge is required.
The lifespan of a power bank may vary depending on various factors, such as quality, build, battery capacity, type of battery, and how the power bank is used. The average lifespan range for a power bank may be anywhere from 1.5 to 3 years or 300 to 1000 charge cycles. It’s important to remember that charge cycles are likely the most accurate representation of lifespan. This is because some may use a power bank more frequently than others, making years an inaccurate depiction of the lifespan that does not factor in usage.
To increase the lifespan of your power bank, remember to take good care of it. Here are a few useful tips to help you make the most out of your portable chargers:
- Do not use a power bank to charge your devices above 80%.
- Do not leave power banks in extremely hot or cold temperatures.
- Do not let your power bank reach 0%.
- Do not bring your power bank in contact with liquids of any kind.
With power banks and other types of batteries, the first thing you need to worry about in terms of wattage is the watt-hour. Watt-hours indicate how much energy you can get out of a battery and the rate at which that energy will be transmitted from the power bank to your device.
The second thing to worry about when it comes to wattage in your power bank is the overall energy capacity. Oftentimes, the wattage of a power bank refers to its maximum charging output. This may be higher or lower depending on how the power bank is being used. When used as a means of gaining energy from an external source, the maximum wattage output may be higher than when it is used as a power bank on its own. So, if you used a dual 45W power bank, you might expect the energy output to reach up to 45W when used as a charging station from an external source and up to 30W when used as a standalone power bank.
If you’re wondering how to charge your power bank, we’re here to help you there too. To juice up your portable charger, simply connect it to an external power source like a wall socket, just like you would with your devices. This will allow it to absorb and subsequently store electrical energy to then be transferred to your device of choice later on when needed.
What 100,000 Is Actually Worth in the Largest U.S. Cities – 2023 Study
Seen as a sign of success and financial comfort, a six-figure salary has long been an important milestone for American workers. But the times have changed and 100,000 isn’t quite what it used to be, especially as rampant inflation continues to sap the purchasing power of money and push the cost of living higher. In fact, 51% of people who earn more than 100,000 reported living paycheck to paycheck in December 2022 – 9 percentage points higher than a year earlier – according to a recent survey from PYMNTS and LendingClub.
To see how much 100,000 is actually worth in different parts of the country, SmartAsset compared the after-tax income in 76 of the largest U.S. cities and then adjusted those figures for the cost of living in each place. For more information on our data or how we compiled our findings, read the Data and Methodology section below.
A person earning 100,000 per year in Memphis takes home 74,515 after federal and local taxes (the state of Tennessee doesn’t tax earned income). Considering the city has a cost of living that’s almost 14% lower than the national average, those after-tax earnings are actually worth 86,444 when adjusting for the cost of living.
El Paso, TX
A 100,000 salary in El Paso is worth 84,966 after subtracting taxes and adjusting for the local cost of living. A person who makes 100,000 a year in this West Texas city of over 678,000 residents takes home 74,515 after taxes. El Paso’s cost of living is just 87.7% of the national average.
Oklahoma City, OK
Someone making 100,000 in Oklahoma City will take home 70,302 after taxes. But thanks to the lowest cost of living in our study, those after-tax earnings are worth considerably more: 84,498.
Corpus Christi, TX
A 100,000 annual salary is worth 83,443 in Corpus Christi after deducting taxes and adjusting for the local cost of living. Located on the Gulf Coast of Texas, Corpus Christi’s cost of living is 10.7% lower than the national average.
A person who earns 100,000 per year in Lubbock can expect to take home 74,515 after taxes are deducted from their paychecks. Since the cost of living in Lubbock is just 89.4% of the national average, that person’s take-home pay is actually worth 83,350 after adjusting for the cost of living.
Like the other Texas cities in the top 10, a 100,000 salary in Houston is reduced to 74,515 after taxes. Those earnings, however, are worth 81,350 when adjusting for Houston’s cost of living, which is 91.8% of the national average.
7 (tie). San Antonio, Fort Worth and Arlington, TX
A 100,000 salary is worth the same amount of money in three Texas cities: San Antonio, Fort Worth and Arlington. Thanks to identical tax treatment and no state income tax, a person earning 100,000 takes home 74,515 in each city. That money is worth 80,124 when you adjust for the cost of living in all three cities, which is 7% lower than the national average.
St. Louis, MO
St. Louis rounds out the top 10. While taxes reduce a 100,000 salary to 69,531, the city’s low cost of living (87% of the national average) makes those after-tax dollars go even further. As a result, a 100,000 salary in St. Louis is worth 79,921 after subtracting taxes and adjusting for the cost of living.
For this study, we used SmartAsset’s paycheck calculator to apply taxes to an annual salary of 100,000. This online tool calculates your take-home pay per paycheck for both salary and hourly jobs after taking into account federal, state and local taxes. We then adjusted the remaining amount for the local cost of living in 76 of the largest cities in the U.S. using data from the Council for Community and Economic Research. The cost of living takes into account the price of housing, groceries, utilities, transportation, and miscellaneous goods and services. Cost of living index data is for the third quarter of 2022.
For example, the annual take-home pay (after taxes) in Los Angeles is 68,050, but the cost of living is 52.5% higher than the national average. To calculate the city’s adjusted annual take-home pay, we divided the city’s average after-tax income by 1.525. In terms of purchasing power, the average take-home pay for someone living in Los Angeles is worth 44,623 after adjusting for the cost of living.
Tax Tips for Six-Figure Earners
Questions about our study? Contact email@example.com.
Patrick Villanova, CEPF Patrick Villanova is a writer for SmartAsset, covering a variety of personal finance topics, including retirement and investing. Before joining SmartAsset, Patrick worked as an editor at The Jersey Journal. His work has also appeared on NJ.com and in The Star-Ledger. Patrick is a graduate of the University of New Hampshire, where he studied English and developed his love of writing. In his free time, he enjoys hiking, trying out new recipes in the kitchen and watching his beloved New York sports teams. A New Jersey native, he currently lives in Jersey City.