This is a double layer extended battery, which has twice the thickness of your stock battery. You need to use the back cover comes with this package to host it, this battery will not fit in your original back cover. 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. ====================================================================== 1)7300mAh Extended Battery: * Brand: AceSoft . * This battery has an integrated microchip that prevents overcharging and lengthens battery life. * Battery type: Lithium Ion. * Voltage: 3.8V. * Capacity: 7300mAh . * 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. 2)Battery Back Cover. * 100% Brand new battery hard back cover. * Keep your cell phone look new. * Size: perfect fit. * Accessory only, cell phone not included. 3)Screen Touch Pen: * Soft touch tip material prevents scratching to.the screen very smooth tip * suitable for drawing,jotting notes,playing games and navigating on your device. * Lightweight copper body 1.Smooth Movement. 2.Lightweight body (5g) 3.Finger Pressure