100% Brand New. This package is specifically designed for the cellphones we list here, if your cellphone is not in the list , then it"s not for you. ====================================================================== Battery Back Cover for HTC EVO V 4G ( Virgin Mobile ) Cellphone. * Keep your cell phone look new. * Size: perfect fit. * Accessory only, cell phone not included. 4600mAh Extended Battery: * Brand:AceSoft. * Excellent quality AceSoft battery for HTC EVO V 4G ( Virgin Mobile ). * This battery has an integrated microchip that prevents overcharging and lengthens battery life. * Cell type: Lithium Ion. * Voltage: 3.7V. * Capacity: 4600mAh. * The battery operation time depends on conditions such as: Transmitting power level, Signal (distance between the phone and the base station),Network parameters defined by the operator.