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)Universal USB/AC Charger:
* This is an universal charger, the top panel could be slided and the metal contact pins are also moveable.
* You can slide it back and forth to fit virtually any size of Li-On batteries in the market.
* Please see our Title pictures for detail
* Here is the instruction
* To Charge the battery for LG Fortune , allow the 2 metal pins on the charger to touch the 1st and the 4th contacts of battery.
* For other batteries, it’s not necessarily to be the 1st and 4th though, please refer to the user manual.
* You should see the LED light turn blue on the charger, that means the contacts has been firmly connected.
* Now you could plug in the charger with the battery into a power socket.
* The LED Light will turn Red when charging the battery, turn blue to indicate the battery is fully charged.
2)New 2700mAh Rechargeable Li_ion Battery:
* Brand: Unbranded .
* High quality Li-Ion battery.
* Battery Type: Lithium Ion.
* Battery Capacity: 2700mAh .
* Best Replacement for the original battery with comparable standby and talk time .