Lasting Power 5000mAh Rechargeable Back Pack Power Station Compatible with Verizon/AT&T/T-Mobile/Sprint/U.S. Cellular Samsung Galaxy S21 Ultra SM-G998U1

1)5000mAh Rechargeable Backup Battery Charger Back Pack Battery Case: * Capacity: 5000mAh * Output: 5.0V/2.0A * Input: 5.0V/2.0A * Charging time: 4-6 hours. * The LED lights indicate how much power is left in your phone battery case. ( 4LED>100%, 3LED>75%, 2LED>50%, 1LED>25% ) Here is the instruction of how to use this backpack power station. * Push power button to turn on battery pack. you should see one or more blue LEDs light up. * If you can see blue LED light up, it means the battery pack is on. * If you see no blue LED light, then push the power button again to turn on battery pack. * Plug in your cellphone into the battery pack when it is on, the battery pack should start charging you cellphone. * If not charging, please push the power button to switch battery pack to phone charging mode so it will start charging your cellphone. * 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. * This backpack power station not only keeps the hosted phone long lasting power,it could also be used as a mobile power station to charge another phone thru the usb output port on the side with proper cable. (not included) * 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.

• * Package includes: 5000mAh Rechargeable Back Pack Power Station Battery Charger Case X 1
• * Compatible with: Samsung Galaxy S21 Ultra SM-G998U1 ( Verizon/AT&T/T-Mobile/Sprint/U.S. Cellular )
• * Accessory only, Cellphone not included.