ACEIRMC 2S 7.4V 8.4V 8A 18650 Charger PCB BMS Protection Board for Li-ion Lit...

Description

ACEIRMC 2S 7.4V 8.4V 8A 18650 Charger PCB BMS Protection Board for Li-ion Lithium Battery Cell (5pcs)
HIGH-ACCURACY, HIGHLY DURABLE: High-accuracy voltage detection circuit, fine workmanship and durable, Effective life greater than 50000 hours.
Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc.
Over-discharge protection, overcurrent protection, overcharge protection, short circuit protection; A combination of 4 safety features that work together to provide ultimate protection for your devices.
MOS transistor can control the battery charge and discharge, low standby current consumption.
ATTENTION: Strictly according to the diagram wiring: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries.Otherwise it will cause damage to the chip. Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.
Features: Overcharge release voltage: 4.28V+/-0.05V. Overdischarge detection voltage: 2.9V+/-0.05V. Upper operating current: 8A. Upper instantaneous current: 16A. Static current: less than 10uA. Charge voltage: 8.4V-9V. Size: 41x8x2.2mm. Packing included:2PCS. Main function: Overcharge protection, over discharge protection, short circuit protection, overcurrent protection. The described power range is applicable to the following products: massager battery pack, LED lamp standby power supply, 12V electronic products, solar street lamp battery pack, monitoring standby power supply, and other products. Wiring: B+ : Connect to battery positive. B- : Connect to battery negative. MB: Connection point between battery 1 and battery 2. P+: Positive pole for charging/discharging (common at charging/discharging end). P- : Negative pole for charging/discharging end (common at charging/discharging end). Tips:  When assembling the battery pack, the battery voltage, capacity and internal resistance shall be matched. The battery voltage shall be appropriate at about 3.7v of rated voltage. If there is no output after assembling the battery pack, it can be charged at 8.4v voltage.
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