XHDATA 18650 Battery
XHDATA 18650 3000mAh Li-on Battery 3.7 V Rechargeable Batteries Flat Top (2 Pieces)Specification: Nominal Capacity: 3000mAh Min Capacity: 2450mAh Norminal Voltage: 3.7V Standard Charging Current.
XHDATA 18650 3000mAh Li-on Battery 3.7 V Rechargeable Batteries Flat Top (2 Pieces)
Specification:
- Nominal Capacity: 3000mAh
- Min Capacity: 2450mAh
- Norminal Voltage: 3.7V
- Standard Charging Current: 0.2C
- Max.Charging Current: 0.5C
- Charge Ending Voltage: 4.2V
- Standard Charging Current: 0.2C
- Max.Discharging Current: 1C
- Standard Discharging Current : 0.2C
- Discharge Ending Voltage: 2.75V
- Standard Charging Time: 6.0- 6.5h
- Rapid Charging Time: 3.0- 3.5h
- Impedance: ≤60mΩ
- Battery Weight: about 45g
- Operation Temperature: 10-60°C
- Battery type: 18650
- Rechargeable: In contrast to a disposable battery, it can be recharged up to 1000 times, which prolong the battery life.
- Good performance: Constant temperature and constant humidity, No explosion, no fire, no leakage. Discharging capacity is not less than 60% initial capacity.
- Eco-friendly Batteries: The batteries are made from highly environmentally friendly materials, which are fairly constructive to battery disposal and recycling.
1.Protruding at one end
2. Flat at both ends
You can return the product and get a full refund within one month after receiving it due to product quality problems. We will also pay for return shipping.
Due to product quality problems within 1-3 months of receiving the product, we can replace it with a new one, but the customer pays for the logistics costs incurred.
Due to product quality problems within 3-12 months of receiving the product,we can repair it for free, but the customer pays for the logistics costs incurred.
About the refund issue,you should receive a refund after we receive the returned product and check the quality of the product. We will deal with it as soon as possible after receiving the returned product, so that you can receive the refund as soon as possible. This time includes the shipping time for your return and the time it takes us to process your return once we receive it and the time it takes to process the return.
Single charge duration
Numerous factors influence how long it takes for a battery to discharge from full to zero, including capacity, device power consumption, frequency of use, temperature, and so on. If you’re looking for an estimate, it can range from 8 hours for low-intensity use to 3 hours for heavy use. Cordless tools and certain flashlights are examples of equipment that consume a lot of power.
Please note that this is an estimation and the actual duration depends heavily on the capacity of the particular battery and the power consumption of the device it’s used in. An exact time cannot be given without this specific information.
650 battery life cycle
All batteries have a limited life cycle. If you’re unfamiliar with the term “life cycle,” it refers to the number of times a battery is fully charged and entirely discharged until it can only supply 80% or less of its original capacity. 18650 batteries are constructed of lithium-ion and have a life cycle of 300 to 500 cycles. over, If the maximum discharge current limit (A) is exceeded, the cycle life can be reduced to as few as 50 cycles. In case you are a battery hog, have no fear since proper usage can extend the battery life cycle. T he exact number of cycles can vary quite a bit, depending on how the battery is used and charged. Some high-quality 18650 batteries might exceed the 500-cycle mark when treated optimally.
Charging habits
Whether it’s a phone battery or a cylindrical battery, when it comes to lithium-ion batteries, you must adhere to a set of rules to guarantee that you may use them happily for an extended period of time. These guidelines include proper charging and discharging practices. The charging habit involves not entirely charging and draining the battery, in addition to adhering to a range of other guidelines.
- The guideline advises that batteries should not be charged over 80% and should not be discharged below 20% since this can decrease their life and cause them to wear out more quickly. With this method, you will use the battery for a shorter time and charge it more frequently, but you will get more than 300 to 500 life cycles out of it. Furthermore, the idea behind this approach is that it gives the battery room to breathe, preventing any buildup of pressure. While this approach can potentially prolong the overall lifespan of a battery, it might not always be practical in all usage scenarios.
- Charge the battery before using it. If you are not going to use the battery for a while, avoid charging and storing it because this puts the battery under stress. Besides, the likelihood of any dangers associated with storing batteries decreases.
Charger
While using the Rapid charging technology is pleasant, it has the potential to reduce battery life. This technology is capable of charging at a rate of up to 4A, whereas standard chargers run at a rate of 1.0A-1.5A. Just as rapidly depleting the battery degrades its life, Rapid charging also negatively affects battery life. Additionally, Rapid charging produces heat, which is terrible for the battery. Also, after charging, the battery should be cooled to room temperature before use.
It’s also worth noting that many modern devices and chargers have intelligent systems to manage heat and charging speed to minimize these downsides.
Make sure that the charger features a set of safe charge protection such as overcharging. Ascertain that the charger includes a set of charge safety features, such as overcharging protection. This safeguard is designed to prevent charging when the battery is near to being fully charged; it significantly contributes to the battery’s lifespan extension.
Temperature
The temperature has a significant effect on the performance of a battery. When the environment is extremely cold or extremely hot, the battery cannot operate optimally. Heat can accelerate the degradation of nearly every battery component and cause safety risks, such as fire or explosions. The ideal environment temperature for optimal performance and longevity is room temperature (around 60°F to 77°F or 20°C to 25°C).
How long do 18650 batteries take to charge?
The time required to charge 18650 batteries is dependent on the battery’s capacity, the charger, and a few other factors. Charging a 18650 battery takes around 4 hours with a standard charger, but just 3 hours or less with a charger equipped with Rapid-charge technology.
In detail, batteries with a larger capacity (mAh) have long, thin electrodes, while batteries with a lower capacity (mAh) have shorter, thicker electrodes. Because low-capacity cells have a lower internal resistance, they can be charged and discharged more quickly.
Also, the ambient temperature plays a significant role. It is recommended to charge the battery at temperatures greater than 0°C and less than 45°C. Not only will the battery charge normally at this temperature range, but it is also safe for the battery, as the battery can catch fire or explode at higher temperatures.
Lifespan
The normal lifespan of an external battery tends to be between 6. 12 months but if you notice the batteries are not charging up to 4.2V which can appear as 4.19V or 4.18V on the display of the charger, then it is time to consider replacing your batteries with brand new ones. We would also advise replacing your batteries if they are damaged in any way for safety reasons.
The most common type of battery would be the 18650 series of batteries, which are so-called because they measure 18mm in diameter and 65mm in height. 18650 batteries can vary in capacity (mAh) which is normally between 1800mAh. 3000mAh and can have amp ratings between 10A. 35A depending on the brand and type of battery. The higher the amps in a battery, the safer is tends to be, and an Amp rating of 20 above would be highly recommended.
Vape kits also come in a wide variety but depending on the one you may have, it will either have an internal battery or use external batteries. If your e-cig kit has an internal battery these will normally be charged using a USB or USB-C cable depending on which option your device supports and would normally take roughly between 2. 4 hours to charge the battery fully. These batteries tend to make the users vaping experience simpler, by eliminating the need to remove them from the device. Not having an external battery charger may also be a bonus for some people, although we tend to prefer them due to their inbuilt circuitry and faster-charging speeds.
Although most Electronic Cigarettes have USB ports only a handful are intended to be charged this way. They are usually intended for firmware upgrades. If your batteries are removable we recommend you use an external charger such as the Vaping Outlaws VOX1 Battery Charger.
If your device uses external batteries, (which I believe is a better option and personally choose to use) you also have the option of carrying a variation of batteries, for use within your mod. Due to the large choice of batteries available online, sometimes even the most advanced vapers can easily get confused which batteries are the best option to use for the device they have.
I personally use Molicel P26A 18650 due to their 2600mAh battery capacity and a pulse rating of up to 25 Amps. I also use these since I believe them to be the best for my Aegis legend mod. As of when this article is being written, these particular batteries are Samsung’s second most powerful 18650 batteries and I find the balance between battery life and amp rating to be perfect for my particular vaping needs.
Charging Battery
When it comes to charging any batteries externally, it is always wise to use a good charger and there are many available. There are some huge names to look out for within the world of vaping battery chargers such as Nitecore or Xtar, which are used by myself and other colleagues in the office as our first choice and first recommendation to beginners. Depending on the number of batteries you require, there are most certainly differently sized chargers on the market.
Ranging from single bay chargers such as the VOX1 charger by Vaping Outlaws, all the way up to the huge 6 bay Xtar MC6 Queen Ant charger and there is everything in between too. The most commonly used chargers would be 4 bay chargers and the best one I have come across so far would be the Nitecore DigiCharger D4. This is my own personal preference as it has the compatibility to work with almost all types of battery (IMR, Li-ion, Ni-MH / Ni-Cd and LiFePO4) and can accommodate a huge selection of batteries, due to its spring-loaded contacts. You are also able to charge different batteries at the same time within the D4 charger as each bay is independent. (For example; you can charge 2 x 18650 batteries, and 2 x 18500 batteries at once).
When charging your batteries is always best to ensure that the batteries themselves are not damaged in any way, information on the subject can be I found below.
External batteries tend to vary in charging times, commonly depending on how much life they have in them when they hit the charger. You should never drain your batteries below the 3.7V mark, as this may damage the charge cycle of the battery. If your battery has 3.7V of charge left it should only take 2. 3 hours to fully charge 2 batteries at the same time (if you have a 2 bay or higher charger) and the batteries will be charged up to 4.2V.
It is always advised to keep the charger in sight when your batteries are charging, so if anything did happen to go wrong, you can remove the batteries quickly and efficiently. One piece of advice I always give to anyone is to never charge your batteries overnight. If anything should happen when you are fast asleep such as a power surge, you would not be able to react, which could result in your batteries, charger or yourself being damaged.
Always remember, each Electronic Cigarette is different and therefore we recommend you read through your product manual to ensure you safely charge your Ecig device.
E-cigarette Battery Safety Guide
The vape industry is advancing at a remarkable rate. We have seen a multitude of devices hit the market. Many of these require an external battery to operate – typically an 18650 battery. Our battery safety guide will help ensure that you keep safe when vaping. Having a reliable battery will ensure your device works correctly and your eliquid is vaporised efficiently to provide you with the best vaping experience.
Making the switch to vaping can be one of the best things you’ve done for your health since we all know the dangers of smoking traditional cigarettes. The Cigarette smoke includes around 4000 plus hazardous chemicals at each given time. We offer a wide range of vape juices containing only PG (Propylene Glycol), VG (Vegetable Glycerine) natural flavourings and of course, nicotine if you so require. It’s also important to note that these products are not intended for the use of anyone under the age of 18, anyone that is pregnant or breastfeeding etc.
Whatever vape device you use, they all contain batteries with the potential for danger and should be treated with care.
18650 batteries are available to purchase from a range of manufacturers. The most popular manufacturers are LG, Samsung Golisi and Sony. Why is this? This is because other manufacturers usually “rewrap” battery cells. The biggest problem with this is that rewrapped batteries can be of a lower grade, and rejected by the bigger companies as they do not meet the ratings during testing. Also rewraps can have exaggerated ratings.
With anything you use that includes a battery, you need to ensure that the battery is safe. This includes ensuring that the wrap is still in good condition. Please refer to the image provided. If the battery wrap is peeling off, it can be dangerous as the battery body is exposed. This exposure can potentially make contact with the device, or even a set of keys or loose change in your. creating a short circuit, causing your battery to vent as the flow of energy has been interrupted between the positive and negative connection. There are now wraps available on the market so you can rewrap your battery if the current one has been damaged. Alternatively use a rubber battery casing.
Samsung INR18650-25R 18650 2500mAh Battery
Samsung INR18650-25R 18650 2500mAh or for short Samsung 25R is the golden standard regarding high power 18650 batteries. It has a high maximum continuous current of 20 Amps and many people have pushed it to its limits draining it with 30-40 or even more Amps (obviously, not recommended).
Its capacity of 2500 mAh at first looks modest, but if you take the higher capacity battery and drain it with 15-30 Amps, the actual capacity will be decreased, just like the number of charging and discharging cycles.
For low current devices, Panasonic NCR18650B features 3400 mAh capacity and it is able to provide almost 7 Amps (6.8 Amps, to be correct) safely.
Over time, manufacturers improve their designs and new batteries come with larger capacities and larger supported drain currents, but these batteries in the list have been tested in real-life applications countless times.
IMR, INR, IFR, or ICR 18650 Batteries
Labels of 18650 batteries often include abbreviations like IMR, INR, IFR, or ICR. These abbreviations describe actual battery chemistry:
Note: there are other chemistries on the market too, including hybrid technologies like Lithium Nickel Cobalt Oxide (LiNiCoO2), Lithium Nickel Cobalt Aluminum Oxide (LiNiCoAlO2), etc.
650 Battery Chargers
Modern 18650 battery chargers are intelligent battery chargers that can sense the battery type, chemistry, condition, etc.
Often these battery chargers can be used for charging a broad range of batteries, including NiCd, NiMH, and various lithium rechargeable batteries.
The most important features of intelligent battery chargers include:
When choosing a battery charger for your needs, pick a battery charger according to your current, but also future needs, too.
650 Batteries With USB Built-in Charger
To simplify the charging of 18650 batteries, some models feature a built-in USB battery charger. when charging is required, the battery is simply connected to a USB port, and onboard electronics monitor battery parameters and do all the work.
These models are highly recommended for people needing just a few 18650 batteries for their devices.
Although built-in USB battery chargers require some space and thus decrease the battery capacity, they also often monitor battery condition during operation and protect it, if required.
Ⅱ Uses of 18650 Lithium battery
The 18650 battery life theory is 1000 cycles of charging. Because of the large capacity per unit density, most of them are used in laptop batteries. In addition, because the 18650 has very good stability at work, it is widely used in various electronic fields: often used in high-end glare flashlights and portable power supply, wireless data transmitter, electric heating warm clothes, shoes, portable instruments, portable lighting equipment, portable printers, industrial instruments, medical instruments, etc.
The working principle of a lithium-ion battery refers to its charging and discharging principle. When the battery is charged, lithium ions are generated on the positive electrode of the battery, and the generated lithium ions move to the negative electrode through the electrolyte. The carbon as the negative electrode has a layered structure. It has many micropores. The lithium ions that reach the negative electrode are embedded in the micropores of the carbon layer. The more lithium ions are inserted, the higher the charging capacity.
In the same way, when the battery is discharged (that is, the process when we use the battery), the lithium ions embedded in the carbon layer of the negative electrode are released and move back to the positive electrode. The more lithium ions that return to the positive electrode, the higher the discharge capacity. What we usually call battery capacity refers to the discharge capacity.
It is not difficult to see that during the charging and discharging process of lithium-ion batteries, lithium ions are in a state of movement from positive → negative → positive. If we compare the lithium-ion battery to a rocking chair, the two ends of the rocking chair are the two poles of the battery, and the lithium ion is like an excellent athlete running back and forth on both ends of the rocking chair.
Charging and discharging process
Lithium battery charging control is divided into two stages. The first stage is constant current charging. When the battery voltage is lower than 4.2V, the charger will charge with a constant current. The second stage is the constant voltage charging stage. When the battery voltage reaches 4.2V, due to the characteristics of lithium batteries, if the voltage is higher, it will be damaged. The charger will fix the voltage at 4.2V and the charging current will gradually decrease. When it is reduced to a certain value (generally 1/10 of the set current), the charging circuit is cut off, the charging completion indicator light is on, and the charging is completed.
Excessive charging and discharging of lithium-ion batteries can cause permanent damage to the positive and negative electrodes. The excessive discharge causes the negative carbon sheet structure to collapse, and the collapse will cause the lithium ions to be unable to be inserted during the charging process; overcharging causes too many lithium ions to be inserted into the negative carbon structure, causing some of the lithium ions to be unable to be released anymore.
Some chargers are implemented using cheap solutions, and the control accuracy is not good enough, which can easily cause abnormal battery charging and even damage the battery. When choosing a charger, try to choose a big brand of 18650 lithium-ion battery charger. The brand-guaranteed 18650 lithium-ion battery charger has four protections: short-circuit protection, over-current protection, over-voltage protection, battery reverse connection protection, etc.
Overcharge protection: When the charger overcharges the lithium-ion battery, in order to prevent the internal pressure from rising due to temperature rise, the charging state must be terminated. For this reason, the protection device needs to monitor the battery voltage, and when it reaches the battery overcharge voltage, it activates the overcharge protection function and stops charging.
Over-discharge protection: To prevent the over-discharge of the lithium-ion battery, when the voltage of the lithium-ion battery is lower than its over-discharge voltage detection point, the over-discharge protection is activated, the discharge is stopped, and the battery is kept in a low quiescent current standby mode.
Over-current and short-circuit protection: When the discharge current of the lithium-ion battery is too large or a short-circuit condition occurs, the protection device will activate the over-current protection function.
Ⅳ General configuration
The nominal voltage of a single cell is generally: 3.6V or 3.7V
The charging voltage is generally: 4.20V (4.2V-4.3V for lithium cobalt oxide)
The minimum discharge termination voltage is generally: 2.75V, lower than this voltage will easily lead to a serious drop in battery capacity or even scrap
Maximum charge termination voltage: 4.20V
Capacity: above 1000mAh, the conventional capacity is 2200mAh-3200mAh, the 18650 battery capacity is the highest is LG, which can achieve 3600mAh, but the price is not low.
Ⅴ Advantages and Disadvantages
Advantages
Large capacity. The capacity of 18650 lithium battery is generally between 1200mah and 3600mah, while the general battery capacity is only about 800mah. If combined into a 18650 lithium battery pack, the 18650 lithium battery pack can easily exceed 5000mah.
Long life. The 18650 lithium battery has a long life, and the cycle life can reach more than 500 times in normal use, which is more than twice that of ordinary batteries.
High safety performance. The 18650 lithium battery has high safety performance. In order to prevent the battery from short-circuiting, the positive and negative electrodes of the 18650 lithium battery are separated. Therefore, the short-circuit phenomenon may have been reduced to the extreme. A protection board can be installed to avoid overcharge and over-discharge of the battery, which can also extend the service life of the battery.
High voltage. The voltage of the 18650 lithium battery is generally 3.6V, 3.8V, and 4.2V, which is much higher than the 1.2V voltage of nickel-cadmium and nickel-metal hydride batteries.
No memory effect, It is not necessary to empty the remaining power before charging, which is convenient to use.
Small internal resistance: The internal resistance of polymer batteries is smaller than that of ordinary liquid batteries. The internal resistance of polymer batteries can even be below 35mΩ, which greatly reduces the self-consumption of the battery and prolongs the standby time of the mobile phone. This kind of polymer lithium battery that supports a large discharge current is an ideal choice for remote control models, and it has become the most promising product to replace Ni-MH batteries.
It can be combined in series or parallel to form a 18650 lithium battery pack.
Wide range of use: Notebook computers, walkie-talkies, portable DVDs, instrumentation, audio equipment, model airplanes, toys, camcorders, digital cameras, and other electronic equipment.
Disadvantages
The biggest disadvantage of the 18650 lithium battery is that its size has been fixed, and it is not well-positioned when installed in some notebooks or some products. Of course, this disadvantage can also be said to be an advantage. This is compared with other lithium batteries such as polymer lithium batteries. This is a disadvantage in terms of customizable and transformable size. Compared to some products with specified battery specifications, it has become an advantage.
The production of 18650 lithium batteries requires a protection circuit to prevent the battery from being overcharged and causing discharge. Of course, this is necessary for lithium batteries, which is also a common disadvantage of lithium batteries, because the materials used in lithium batteries are basically lithium cobalt oxide materials, and lithium cobalt oxide materials cannot discharge at high currents.
The 18650 lithium battery requires high production conditions. Compared with the general battery production, the 18650 lithium battery requires high production conditions, which undoubtedly increases the production cost.
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