1.OEM/ODM welcome 2. 3.7V 5800mah lipo battery 3.Low price will high quality 4.UL,CE,ROSH,REACH certificated More information ModelSR4045135Size(Max) Thickness ×Width×Length: 4.0×45×135mmNormal Voltage3.7VMax.charge current0.5CNormal Capacity5800mAhMax.Discharge Current1CMin Capacity≥5800mAh at 0.2C DischargeDischarge protection voltage 2.5V/CellCycle Life≥500 TimesDischargeCut-end Voltage 3. ...