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1.Protection Board (PCM): designed for rechargeable smart batteries to protect circuit, the protection board needs to provide smart power calculation, overcharge, over discharge, short circuit, over current protection to avoid the hazard of burning and explosion because of its chemical properties.
2.Protection IC: The main function of the design is to protect the chip, and constantly monitor the situation of overcharge, over discharge, over current, short circuit occurring, so that the chip can operate in a safe, stable and efficient condition.
3.Overcurrent protection films (PTC): mainly for secondary protection design. PTC resettable fuses with overcurrent protection, automatic recovery dual function. Battery products in the PTC can prevent the battery from large current discharge with high temperature.
4.Battery Cell: 18650/2600mAh/3.7V known brand lithium-ion battery cell, with the high energy ratio and security.
5.MOSFET: acting as a switch in the protection circuit, and balances the voltage across the load.
6.Battery pack: PVC tube.
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