DZS Elec 2PCS 2S 18650 Lithium Protection Board 7.4V 8.4V 8A BMS PCM Charger Protection Board for Li-ion Lithium Battery Cell

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.