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.
New 2010mAh Rechargeable Li_ion Battery:
* High quality Li-Ion battery.
* Battery Type: Lithium Ion.
* Battery Capacity: 2010 mAh.
* Voltage: 3.7V.
* The best spare battery for your phone.
* 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.
Samsung Galaxy Proclaim S720C( Straight Talk / NET 10 )