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HX-2S-A2 2S BMS 5A Li-ion Battery  18650 7.4v 8.4V Charger Protection Board PCM

Description:
Model: HX-2S-A2
Charging Voltage Range: 4.25-4.35V?0.05V
Discharge Voltage Range: 2.5-3V?0.05V
Maximum Working Current: 5A
Conversion Efficiency: -40~ 50?
Limit Instantaneous: 7A
Storage Conditions: -40~ 80?
Static Electricity: <10uA
Useful Life: >50000H
Resistance: <300mO
Short Circuit Protection: To protect, restore must charge
Charging Voltage: 8.4V-9V

P /P- input/output interface, the same combination when the battery voltage, capacity, internal resistance should be matched well, battery volatge around the rated voltage of 3.7V, combination without ouput, after the completion of voltage charging activation by 8.4V
Short circuit protection: can be protected, need to charge recovery

Connections:
B :  Connected to the battery positive
B-  :  Connected battery negative
MB : Connect the battery 1 to the connection point before battery 2
P :  Charge / discharge side positive (shared charge / discharge side)
P- :  Connection / discharge terminal negative (charge / discharge side shared)