You do not need a special back cover to use this battery
* This package is specifically designed for LG Stylo 3 LTE Model L83BL from Straight Talk/Tracfone/Net10 as we stated in our listing.
* There are many LG Stylo in the market, they all use different batteries.
* If you do not have LG Stylo 3 LTE L83BL , this package is not for you.
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100% Brand New.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 Stylo 3 , 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 3300mAh Rechargeable Li_ion Battery:
* Brand: Unbranded .
* High quality Li-Ion battery.
* Battery Type: Lithium Ion.
* Battery Capacity: 3300mAh .
* 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.
* Keep an extra battery on hand for extend standby and talk times.
* Integrated microchip prevents overcharging and lengthens battery life.
* This Battery could also be charged in the phone directly thru the cell phone charger .