4S 21A Li-ion Lithium Battery 18650 Charger Protection Board 14.8V 16.8V The protection plate using the Japanese Seiko lithium polymer rechargeable battery protection IC/ AO MOS tube; & characteristics: (1) for the high precision voltage detection
3S 20A Li-ion Lithium Battery 18650 Charger Protection Board 9.6V The protection plate using the Japanese Seiko lithium polymer rechargeable battery protection IC/ AO MOS tube; & characteristics: (1) for the high precision voltage detection
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