and high quality. The protection board is for 13 series cell Li- batteries, it can be used for 3.7V ternary batteries, manganese acid batteries and cobalt acid batteries. Support overcharge protection, over-discharge protection, overcurrent protectionand short circuit protection. It is suitable for electric car, electric assistant car, skateboard car, inverter, etc. With temperature control protection function, safe and reliable. Applicable voltage: 48V Applicable : Less than 2500W Max. working current: 60A Continuous maximum current: 40A Overdischarge protection voltage: 2.6V Overcharge protection voltage: 4.25V Charging current: max. 10A High temperature discharge: 75 Low temperature charge: -7 Material:metal colour:Silver Package Contents: 1 * Battery Protection Board Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.