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How To Choose the Best 18650 Rechargeable Battery?

Release date:Apr 06 ,2022 Source:BPI Pageviews:-
In daily life, there is a wide range of rechargeable batteries. Among them, the best 18650 lithium battery is widely used. It is used in all major electronic fields, including laptops, high-grade strong flashlights, portable powers, wireless data transmitters, electric thermal clothes and shoes, portable power stations, portable lighting equipment, portable printers, industrial instruments, medical instruments, and so on.

In daily life, there is a wide range of rechargeable batteries. Among them, the best 18650 lithium battery is widely used. It is used in all major electronic fields, including laptops, high-grade strong flashlights, portable powers, wireless data transmitters, electric thermal clothes and shoes, portable power stations, portable lighting equipment, portable printers, industrial instruments, medical instruments, and so on. So, why the best 18650 lithium battery is so widely used, and how to choose the best 18650 rechargeable battery? Go on reading to find the answers.

Rechargeable Battery

Advantages of Using the Best 18650 Rechargeable Battery

High Voltage

The voltage of the best 18650 rechargeable battery is generally much higher than the 1.2V of NiCd and NiMH batteries due to the different material systems.

1. Large Capacity

As a high capacity battery, the best 18650 rechargeable battery has a capacity from 800mah to 4000mah; while having a large capacity than the normal rechargeable batteries.

2. Long Life Span

The cycle life of the best 18650 lithium battery is 500 times at least. With the development and application of new technologies and materials, the cycle life of 18650 rechargeable batteries is constantly increasing and is several times longer than ordinary rechargeable batteries.

3. Lightweight

The energy density of the 18650 lithium battery is the highest among all batteries. The current lithium battery energy density is generally in the range of 200-260wh/g, and lead-acid is generally 50-70wh/g.

4. Small Volume

The volume capacity density of the best 18650 rechargeable battery is usually about 1.5 times that of lead-acid batteries. With the same capacity, the best 18650 rechargeable battery volume is about 30%-50% smaller than other batteries.

5. No Memory Effect

While NiMH or NiCd batteries have a serious memory effect, the 18650 rechargeable battery does not. Therefore, it is unnecessary to drain the battery completely and fully charge it daily, making it easy to use.

Choosing Tips of the best 18650 Rechargeable Battery

1.Nominal Capacity

The nominal capacity of the best 18650 rechargeable battery is a function of the battery life in “mAh”. The higher the capacity, the better the battery life. For example, a 2800mAh battery can be discharged continuously for 2 hours at 1.4A.

2. Continuous Discharge Current (CDR)

Continuous discharge capacity is expressed as C-number. Continuous discharge current equals continuous discharge capacity C-number multiply capacity. For example, if the capacity of a 18650 rechargeable battery is 2800mAh and its continuous discharge capacity is 0.5C, then its continuous discharge current equals 1.4A. When discharging over 1.4A for a long time, it will seriously affect the battery’s life and may cause overheating, even burning or explosion.

3. Internal Resistance

The smaller the battery’s internal resistance is, the less it consumes and the stronger the discharge capacity. So, for instance, if you are using a battery pack of multiple 18650 cells, you had better buy the same brand and type of battery; otherwise, the battery with high internal resistance and low capacity will become a shortcoming.

4. Temperature

Temperature is an important factor in affecting the life of the best 18650 rechargeable battery. The higher the temperature, the faster the battery will age, and the higher the temperature, the more damage the battery will suffer internally.

5. Supplier

Whether you buy the best 18650 lithium battery or other batteries, it is important to choose a reliable supplier. Better Power (BPI)is one such supplier, and the batteries we produce are more durable and safer because of our good materials and construction.

Rechargeable Battery

Features of the best 18650 Batteries from BPI

We have all kinds of 18650 rechargeable lithium batteries and lithium-ion battery packs for various applications. The following are the main features of our rechargeable 18650 batteries.

1. High safety performance and reliability, long cycle life, and good battery uniformity.

2. The electrode automation production line increases individual cells’ capacity and ensures the cells’ all-around performance in mass production.

3. Advanced automatic cell matching based on cell capacity, voltage, and internal resistance to ensure uniformity of cells within the battery pack.

4. Over-charge, over-discharge, over-current, and short-circuit protection.

BPI Is Your Best Choice

BPI’s team has 29 years of experience in developing and producing batteries. Our products have more than 130 patents and certifications for various countries. As an industry leader, we have a high level of automation with 20pcs automatic winding machines and 10pcs automatic packaging lines. And BPI has a daily production capacity of 550,000 pieces for Ni-MH battery and 250,000 pcs for lithium polymer battery. In addition, we have cooperated with various famous brands around the world, and recently our lithium electronic batteries and button cells were used in the Winter Olympic Games. Whether OEM or ODM, we at BPI are happy to serve you!

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