The protection board is for 13-cell series Li-ion batteries, can be used for 3.7V ternary batteries, manganese acid batteries and cobalt acid batteries. Supports overcharge protection, overdischarge protection, overcurrent protection and short circuit protection. It is suitable for electric car, electric assist car, skateboard car, inverter, etc. With temperature control protection function, safe and reliable. Applicable voltage: 48V Applicable power: less than 2500W Max. Working current: 60 A Maximum continuous current: 40 A Over-discharge protection voltage: 2.6 V Over-charge protection voltage: 4.25 V Charging current: max. 10A High temperature discharge: 75℃ Low temperature charge: -7℃ Weight: about 60g/Set Size: 70x56x9mm Color: as shown Material: PC+Metal Package Contents: 5 x Protection Board 5 x Cable (Due to different product batches, the appearance may be different, but the function is the same) Only the above package content, other products are not included. Note: Light