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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:2023-05-08 Hits: Popular:AG11 battery
Add a protective board to the battery for user safety. Lithium batteries have its safe discharge and charging and overcurrent restrictions. Adding a protective board is to do not exceed the safety range when using a lithium battery.
For example, the upper limit of a lithium battery safety voltage is 4.25V. If it does not add a board, it will always be charged when using a charger that is not charged with overcharge protection. Just like a person is full, you still call him to eat, and finally it is to death, and the lithium battery will be killed. The function of adding a protective board is to stop charging when he is full.
The principle of discharge and overcurrent detection is the same. Therefore, the battery of the protective board can be added to control the lithium cell work in the prescribed working environment. The charging protection voltage is generally protected at 4.25V. The discharge protection is generally protected at 2.75V. The charging current can be greatly improved within the maximum tolerance range of the lithium battery.
The battery belt protective board will also limit the output current. Generally speaking, there are chips on the protective board, about 2A of a single chip, and about 4A of the dual chip.
Many high -power equipment such as electronic cigarettes, modeling, and electric vehicles in life require large -current power supply. Because it is easy to be used by violence (referring to excessive charging), the battery life is relatively low; at the same time The volume is too large; the price of ultra -low internal resistance is very expensive. In order to reduce the discharge loss and increase the cost performance, generally do not add a protective board, and choose to do the protection function of battery on the electric equipment.
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