<b>This package is specifically designed for LG Stylo 4 as we stated in our listing.<br> There are many LG in the market, they all use different battery.<br> If you do not have LG Stylo 4 , this package is not for you.</b><br> ====================================================================== <br> 1)5000mAh Rechargeable Backup Battery Charger Power Bank Case:<br> * Capacity: 5000mAh <br> * Output: 5.0V/2.0A<br> * Input: 5.0V/2.0A<br> * Charging time: 4-6 hours.<br> * The LED lights indicate how much power is left in your phone battery case.<br> ( 4LED>100%, 3LED>75%, 2LED>50%, 1LED>25% )<br> <b>Here is the instruction of how to use this backpack power station.</b><br> Push power button to turn on battery pack. you should see one or more blue LEDs light up.<br> If you can see blue LED light up, it means the battery pack is on.<br> If you see no blue LED light, then push the power button again to turn on battery pack.<br> Plug in your cellphone into the battery pack when it is on, the battery pack should start charging you cellphone.<br> If not charging, please push the power button to switch battery pack to phone charging mode so it will start charging your cellphone.<br> To charge the battery pack itself, connect battery pack to a USB cable thru the bottom USB port to wall charger, the battery pack should now be charged and the blue LED flashes. <br> Note: The power button serves as a power on/off button and also serves as a switch between phone charging mode and self-charging mode.<br>