technology, stable heat dissipation.Over-voltage protection, over-discharge protection.Integrated solution, charging protection.Short-circuit protection, over-current protection.Made of high quality material, durable.Type: 4S 8A 14.8VConnection : common portSingle battery over-discharge voltage: 2.7V0.08VContinuous working current: 8AInstantaneous protection current: 20AOver-current conditions: charging or disconnecting the loadShort circuit conditions: charging or disconnecting the loadSingle cell overcharge voltage: 4.25V0.025VContinuous charging current: 6ACharging overcurrent protection: 10ACharger voltage: 16.8V (recommended)Charging over-temperature protection: 60CDischarge over-temperature protection: 80CWorking power consumption: less than or to 20uAOn-resistance of the main circuit: less than or to 15mohmTemperature range: -40~80Disconnection protection: YesAppearance size: 34x34x3.2MMMaterial: PCBcolour: GreenPackage Contents:2 x Lithium Battery Charge BoardOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.