Features: The protection board is for 13 series Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries. Charging connector and discharging connector are separated, continuous discharging current is 15A. Charging 5A, discharging 15A, over-current 45A, suitable for electric bicycles with ≤500W motor. It has high voltage withstanding and low conduction resistance function. Stable various protective functions for charging and discharging, such as accurate overcharge protection, over-discharge protection, over current protection and short circuit protection. Specifications: Overcharge Protection Single Battery Overcharge Detection Voltage 4.25V±0.05V Single Battery Overcharge Release Voltage 4.10V±0.05V Charge Protection Rated Charging Current ≤5A Charging protection Current / Over-discharge Protection Single Battery Overcharge Detection Voltage 2.50V±0.05V Single Battery Overcharge Release Voltage 3.00V±0.05V Rated discharging Current 15A Discharging Protection Current 45±5A Short Circuit Protection Recovery Condition Disconnecting Load Inner Resistance B-, P- conduction resistance ≤25mΩ Current Consumption Self-consumption ≤30uA Size L x W x H 60 x 34 x 10mm / 2.36 x 1.33 x 0.39" Package Includes: 1 x Protection Board Note: 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. .