Features: _x000D_ The protection board is for 10 series cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries. _x000D_ Charging connector and discharging connector are separated, discharging current is 35A. _x000D_ Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection. _x000D_ It has balance function which would ensure each battery cell being fully charged at same time._x000D_ _x000D_ Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Discharge Continuous Discharge Current 35A _x000D_ Momentary Discharge Current 100A _x000D_ Charge Charge Voltage 42V _x000D_ Charge Current 8A(Max.) _x000D_ Overcharge Protection Overcharge Detection Voltage 4.280.05V _x000D_ Overcharge Protection Delay 100mS _x000D_ Overcharge Cancel Voltage 4.080.05V _x000D_ Balance Balance Detection Voltage 4.20.025V _x000D_ Balance Cancel Voltage 4.20.05V _x000D_ Balance Current 565mA _x000D_ Over-discharge Protection Over-discharge Detection Voltage 2.550.08V _x000D_ Over-discharge Detection Delay 50mS _x000D_ Over-discharge Cancel Voltage 3.00.1V _x000D_ Overcurrent Protection Overcurrent Detection Voltage 150mV _x000D_ Overcurrent Detection Delay 15mS _x000D_ Overcurrent Protection Current 1205A _x000D_ Protection Cancel Condition Disconnect Load _x000D_ Short Circuit Protection Short Circuit Protection Condition Outside Load Short Circuit _x000D_ Short Circuit Detection Delay 200uS _x000D_ Protection Cancel Condition Disconnect Load _x000D_ Internal Resistance Main Circuit Conduction Internal Resistance 15m _x000D_ Self Power Consumption Working Current 50uA _x000D_ Sleeping Current(Battery Over-discharge) 10uA _x000D_ Operating Temperature _x000D_ -30~+80 _x000D_ _x000D_ Size _x000D_ 69*51.5*10mm/2.71*2.02*0.39" _x000D_ _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Protection Board _x000D_ 1 x Cable