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    12Pcs 1S 3.7V 4A Lithium Battery Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell Dual MOS

    • Charging Voltage: 4.2V; Maximum Working Current: 4A; High quality: high-accuracy voltage detection circuit, fine workmanship and durable; Multiple protection: Overdischarge protection, Overcharge protection, Overcurrent, Short circuit protection; Wiring instruction: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-; Use for variety of capacities and various shapes Massager battery pack, LED lamp backup power supply, solar street lamp battery pack, monitoring backup power supply, etc
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    Technical parameters:
    Model: HX-1S-3540
    Size: 35mm * 4mm * 2.2 mm
    Charging voltage: 4.2V
    Overcharge voltage range: 4.25V ± 0.05V
    Overdischarge voltage range: 2.5V ± 0.05V
    Upper limit working current: 5A
    Upper instantaneous current: 7A
    Quiescent current: 30A
    Short circuit protection: It can be protected and needs to be charged for recovery
    Main functions: overcharge protection, over-discharge protection, short circuit protection, over-current protection
    Wiring instructions:
    B+: Battery
    V+ Positive B-: Battery
    V- Negative P+: Output /
    Charging V+ P-: Output /
    Charging V- Note: Lithium battery protection plate cannot be used for lithium iron phosphate battery, hernia lamp, electric hand drill battery pack, electric fish machine battery pack, electric bicycle battery pack, children's car battery, motor or products with motor, 1W fish-eye LED lamp

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