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)New 4000mAh Rechargeable Li_ion Battery:
* Brand: URS2GO .
* High quality Li-Ion battery.
* Battery Type: Lithium Ion.
* Battery Capacity: 4000mAh .
* Voltage: 3.85V.
* 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.
3)Micro USB Data Sync Cable ( 3 Feet/1M ):
* 100% Generic New and Good Quality.
* Standard Micro USB Connector which could compatible with most devices that have Micro USB Port.
* Type: USB 2.0
* New generic 2 in 1 Data/Charging USB Cable.
* Provides high-speed data transfer rates. Software is not included.
* Charging your Cell phone by connecting this charging cable to our Wall charger or USB car charger.
* Provides data transfer, syncing functions in between your cell phone and your PC or laptop via USB port.
* Charge your device through a computer''s USB port or a USB power adapter.

• * Authorized URS2GO Dealer
• * Package includes : New 4000mAh Rechargeable Li_ion Battery X 2
• * Travel Dock USB/AC Charger X 1; Micro USB Data Sync Cable(3ft) X 1
• * Compatible with: LG G Stylo MS631 ( MetroPCS )
• * Accessory only, Cell phone not included.

* Authorized URS2GO DealerURS2GO