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4S 14.8V / 16.8V 20A Peak Li-ion BMS PCM Battery Protection Board Bms Pcm for Lithium LicoO2 Limn2O4 18650 Li Battery

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Brand: PUMA
seller: fruugo-online
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Total sales: 3787

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Certification : NONEModel Number : AAModel Number : 4S 14.8V battery protection boardOperating Temperature : -40-+85Supply Voltage : 4S 14.8VFunctions : Electronic ModuleRange of application : Switch And Sensor For Arduino STM4S 14.8V / 16.8V 20A Peak Li-ion BMS PCM Battery Protection Board Bms Pcm for Lithium LicoO2 Limn2O4 18650 Li Battery Notice:       This protection board cannot be used for lithium iron phosphate batteries, xenon lamps, hand drill battery packs, electric fish machine battery packs, electric bicycle battery packs, children's car batteries, motors above 775 (4A), 1W fisheye LED lights, used for the above Customers who purchase in combination, please pay attention! . The power ranges described apply to the following products:      Small power inverters, massager battery packs, LED light backup power supplies, electronic products, solar street light battery packs, monitoring backup power supplies, and other products. Note: For products with a current above 3A, the battery discharge rate should be above 3C. Rate calculation formula: 1C rate battery, 2000 capacity is equal to 2AH*1=2A upper limit working current. 3C rate battery, 2000 capacity is equal to 2AH*3=6A upper limit working current. In use, the battery will heat up, but the battery rate is not applicable. In this case, it cannot be used for a long time, and the battery will be damaged quickly.   Note 1: Strictly connect 0V (B-), 3.7V (B1), 7.4V (B2), 11.1V (B3), 14.8V (B+) according to the diagram, do not intentionally short-circuit! Note 2: After the cable is connected, it needs to be charged before there is output. Note 3: When 4 groups of batteries are connected in series, please ensure that the voltage of each group of batteries is the same, if not, please fully charge each group of batteries separately and then use them in series. During the discharge test, the group of batteries with a rapid voltage drop is the poor battery. A note: Do not mix good batteries with bad batteries! The closer the capacity/internal resistance of the 4 batteries is, the better! (The effect of using 2 good batteries + 2 bad batteries = the effect of using 4 bad batteries). The properties of the lithium battery protection board: Model: HX-4S-D20 Overcharge voltage range: 4.25-4.35v±0.05v Size: 35*35*3.6mm Over-discharge voltage range: 2.3-3.0v±0.05v Upper limit working current: 10A Working temperature: -40---+50℃ Upper limit instantaneous current: 20A Storage conditions: -40-- +80℃ Quiescent current: less than 30uA Effective life: more than 50000 hours Internal resistance: less than 100mΩ Short circuit protection: can be protected, need to be charged to restore Charging voltage 16.8V-17V  The size and device description of the protection board;  The size of the protection board is 35*35*3.6mm; the components are S-8254AA protection chip and D403*4 pieces

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