Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2022-12-13 Hits: Popular:AG11 battery
Select the 18650 lithium battery that is most suitable for us according to our electrical equipment, such as the appropriate brand, voltage, capacity, continuous discharge rate, battery life, etc. The most important thing is to choose the battery with high safety. Now we will introduce them in detail:
1. Brand
As for brands, Sanyo, Samsung, SONY, LG and other international famous brands are relatively reliable at present.
Sanyo and LG mainly focus on conventional applications, such as glare flashlights, power packs, notebook batteries, etc.
SONY is professional, mainly driving high current. Take VTC4 as an example, the discharge current can reach 30A, electronic cigarettes, toys, etc., can be easily competent.
2. Nominal capacity
The nominal capacity of 18650 battery is related to the endurance, and the unit is "mAh". The higher the capacity, the stronger the endurance. For example, the 2800mAh battery can be discharged continuously for 2 hours at 1.4A current.
3. Continuous discharge current (CDR)
Continuous discharge capacity is expressed in C, and continuous discharge current=continuous discharge capacity C × Capacity.
For example, if the capacity of an 18650 battery is 2800mAh and the continuous discharge capacity is 0.5C, then the continuous discharge current=1.4A. If the battery is discharged beyond 1.4A for a long time, the battery life will be seriously affected, and there may be dangers such as overheating, even burning, explosion, etc.
5. Internal resistance
The internal resistance is the resistance of the battery itself. The smaller the internal resistance is, the less the consumption is. The stronger the discharge capacity is. The internal resistance parameter is usually written on the battery introduction page. Pay attention to the selection, and try not to buy more than 100 m Ω cells.
When using multiple 18650s in series, you must buy batteries of the same brand and model, or batteries with large internal resistance and low capacity will become a short board.
6. Temperature
Temperature is a major factor affecting the life of 18650 lithium battery. The higher the temperature is, the faster the battery will age. The higher the temperature is, the greater the damage to the battery interior will be.
Lithium battery protection: short circuit protection, overcharge protection, over discharge protection, over-current protection.?
Product features
Shockproof and waterproof: through the design of shockproof structure filled in the fireproof PC shell, the requirements of high safety and high reliability are met;
Low temperature operation: Low temperature electric core is used to ensure operation at - 40 ℃.
Reliable connection: gold plated finger connector is used for quick, safe and reliable connection;
The battery pack is safe and equipped with a temperature probe, which can upload temperature information to the upper computer;
I2C communication of battery pack, which can upload battery voltage, current, capacity and other parameters to the upper computer;
The battery pack has a high cycle life, which conforms to the value concept of low carbon, energy conservation and environmental protection;
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