Features: The protection board is for 10 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, discharging current is 18A. Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection. It has balance function which would ensure each battery cell being fully charged at same time. Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries. Specifications: Size: 53*63mm/2.08*2.48" Used for: 36V10Sternary/manganese acid/cobalt acid batteries Single Overcharge Protection Voltage: 4.25V0.05V Single Overcharge Recovery Voltage: 4.10-4.00V Single Over-discharge Protection Voltage: 2.8V 0.1V Single Over-discharge Recovery Voltage: 3.0V0.1V Protection Consumption Current: 300UA Short-circuit Protection Current: 40A3A Short-circuit Protection Time: 500MS Temperature Protection: 55/65/75 Discharge Current: 18A Max. Instantaneous Current: 40A Single Balance Voltage: 4.19V0.02V Single Balance Current: 55MA Charge Current: 10A Package Includes: 1 x Battery Protection Board