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PCM for 1s 3.7V LiPo Battery Packs PCM-1S
Protection Circuit Module (PCM) For 1s 3.7V LiPo/Li-Ion Battery Packs
PCM or PCB ( protection circuit module or board ) is the "heart" of a Li-Ion/Li-Polymier battery pack. It will protect battery pack from overcharging, over-discharging and over-drain, therefore it is must have to avoid the battery pack from damage which could lead to fires or explosion.