Features: The protection board is for 13 series cell 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 20A. It has balance function which would ensure each battery cell being fully charged at same time. Support overcharge protection, over-discharge protection and short circuit protection. Stable various charging and discharging protective functions are great for 13S battery protection. Specifications: Size: 66*49*10mm/2.59*1.93*0.39" Single Cell Overcharge Protection Voltage: 4.25V Single Cell Overcharge Restoring Voltage: 4.1V Single Cell Over-discharge Protection Voltage: 2.8V Single Cell Over-discharge Restoring Voltage: 3.0V Protection Consumption Current: 30A Short Circuit Protection Current: 60A Short Circuit Protection Time: 500mS Temperature Protection: 55/65//75 Discharge Current: 20A Single Cell Equilibrium Voltage: 4.18V Single Cell Equilibrium Current: 30mA Package Includes: 1 x Protection Board 1 x Cable