3SERIES 40A 18650 PCM BOARD 11.1V 12.6V
The BP340 is a 3-series 18650 lithium battery protection board rated for 40A. Designed for 11.1V–12.6V battery packs, it ensures reliable protection against overcharge, over-discharge, and short circuits, making it ideal for high-current applications like DIY power banks, e-bikes, and energy storage systems.
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