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. ====================================================================== 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 4000mAh Rechargeable Li_ion Battery: * Brand: AceSoft. * Battery Capacity: 4000 mAh. * Voltage: 3.8V. * Best Replacement for the original battery with comparable standby and talk time . * Our battery is sent out with little or no power, so please charge it for about 6 - 12 hours before using. * Keep an extra battery on hand for extend standby and talk times. * Integrated microchip prevents overcharging and lengthens battery life. 3)Folding bracket : * Color: as shown in picture. * Material: durable& lightweight plastic. * Size: 5.2cm x 3.5cm. * Sits your Android Smart phones in a stylish way. * Creative 2-stage stand and adjustable design. * Suitable for your smartphone or tablet upto 8. * Miniature size, convenient to carry