Features: _x000D_ The protection board is for 13 series 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, continuous discharging current is 15A. _x000D_ Charging 5A, discharging 15A, over-current 45A, suitable for electric bicycles with 500W motor._x000D_ _x000D_ It has high voltage withstanding and low conduction resistance function._x000D_ _x000D_ Stable various protective functions for charging and discharging, such as accurate overcharge protection, over-discharge protection, over current protection and short circuit protection. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Overcharge Protection Single Battery Overcharge Detection Voltage 4.25V0.05V _x000D_ Single Battery Overcharge Release Voltage 4.10V0.05V _x000D_ Charge Protection Rated Charging Current 5A _x000D_ Charging protection Current / _x000D_ Over-discharge Protection Single Battery Overcharge Detection Voltage 2.50V0.05V _x000D_ Single Battery Overcharge Release Voltage 3.00V0.05V _x000D_ Rated discharging Current 15A _x000D_ Discharging Protection Current 455A _x000D_ Short Circuit Protection Recovery Condition Disconnecting Load _x000D_ Inner Resistance B-, P- conduction resistance 25m _x000D_ Current Consumption Self-consumption 30uA _x000D_ Size L x W x H 60 x 34 x 10mm / 2.36 x 1.33 x 0.39"_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Protection Board _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.