technology, stable heat dissipation. Overcharge protection, over-discharge protection. Integrated solution, charging protection. Short circuit protection, overcurrent protection. Made of high-quality material, durable. Type: 4S 8A 14.8V Connection: common port Single battery over-discharge: 2.7V±0.08V Continuous working current: 8A Instantaneous protection current: 20A Overcurrent conditions: charging or disconnecting the load Short circuit conditions: charging or disconnecting the load Single cell overcharge: 4.25V±0.025V Continuous charging current: 6A Charging overcurrent protection: 10A Charger: 16.8V (recommended) Charging over-temperature protection: 60℃ Discharge over-temperature protection: 80℃ Working current consumption: less than or equal to 20uA On-resistance of the main circuit: less than or equal to 15mΩ Temperature range: -40~80℃ Disconnect protection: Yes Appearance size: 34x34x3.2MM Material: PCB Color: Green Package contents: 1 x Lithium battery charging board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real item. The allowed measurement error is +/- 1-3 cm.