Usage: Discharging(Charge the cellphone) 1.Put the phone inside the back up battery, then pull out the connector and insert it to the port of charging. 2.At this time, the blue light of back up battery will light up and flash.When the light flash one time, which means there is about 25% power left, two times means about 50% power left and three times means about 75% left anf four times means the power is 100%(Notice: When the cellphone is full, the back up battery will automatically shut off. When you need to recharge, please pull out and insert the connector angin.) Charging 1.When the power of back up battery is out off, please insert the charger into the port in the right side of back up battery to charge cellphone and battery. 2.The order of charging is the cellphone comes first, when it is full, then it turns to the battery, at this time, the red light on the back of battery will on and flash, first time mean about 1/3 power left, two times mean 2/3 power left, three times continously mean about 100% power left. When the battery and cellphone charged full, the green light will last.
Note: 1.Do not throw the product in the fire or placed in any overheat envirenment. 2.Do not disassemble the pruduct or the any form of maintenance and modifications. 3.Improper use may cause product damage and may harm yourself. Keep it away from the child. 4.In order to secure grip and protection, It's a little hard to get off. You can use a small film pry open the shell phone, such as using guitar picks.