You do not need a special back cover to use this battery 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. ====================================================================== 100% Brand New. 1)AC/USB Desktop Battery Charger : * Quick charge with automatic constant current control prevents battery from over charging, short circuit, and electronic shock. * Charge your cell phone battery without the phone. * Also work with OEM (original) battery. * LED charging light indicator. Turn red in charging, turn blue when done. * Input: AC 100-240V 50/60Hz 150mAh. * Output: DC 4.2V 350mAh ± 50mA. * USB Port Output: 5.2V 800mAh. * Use this charger to charge the stock battery as well, swap one out when the other dies. 2)AceSoft 1930mAh Rechargeable Li_ion Battery: * Brand: AceSoft. * High quality Li-Ion battery. * Battery Type: Lithium Ion. * Battery Capacity: 1930 mAh. * Voltage: 3.7V. * The best spare battery for your phone. * Our battery is sent out with little or no power, so please charge it for about 4 - 6 hours before using. * Keep an extra battery on hand for extend standby and talk times. * Integrated microchip prevents overcharging and lengthens battery life. * This Battery could also be charged in the phone directly thru the cell phone charger. 3)Suction Ball Stand Holder:*Remove without any mark *Brand New and High Quality. *Can be applied, removed very easily. *The suction rubber stand helps to lift the screen up. *Will NOT work on rubberized surface. *The suction mount is strong to hold any phone and mp3, mp4. *Allows you to enjoy videos games on the screens at the right, adjustable angle. *Can also be applied to cameras and many other electronic items such as ebook, portable monitors.