Product Review

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.
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100% Brand New.
Deep Stretch 2700mAh Rechargeable Li_ion Battery:
* Brand: Deep Stretch.
* High quality Li-Ion battery.
* Battery Type: Lithium Ion.
* Battery Capacity: 2700 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.
Compatible models:
Samsung Galaxy Rugby Pro,I547,SGH-I547 (AT&T)