Galaxy-S6-edge-4200mAh-Portable-External-Battery-Backup-Case-Charger-Power-Bank-For-Samsung-Galaxy-S6-edge-Whi

Note: When charging the battery case with phone attached, the phone battery will be charged first, After the phone battery is fully charged, charging of the battery case will begin. When charging the battery case with phone attached, data transfer is supported. To charge and transfer data simultaneously, simply connect the battery case to via your computer's USB port The battery maximum output is 5V / 1A. when charge the phone, at the beginning the current may suddenly exceed 1.17A, overcurrent protection will work, then the charging will be interrupted. Don't worry, please reset the button at the back, it will enter the normal charging status