Description Compatibility: for iPhone 6S Plus / 6 Plus Nominal capacity: 7500mAh (27.75Wh) Material: ABS PC Input: DC5V/1.5A Output: DC5V/1.5A Battery cell type: Lithium Polymer Color: black, white, gold, rose gold (optional) Charging time for the phone: 1-2 hours Charging time for the battery case: 6 hours User tips: 1. Slide the phone into the battery case. Make sure that the phone is well connected to the USB connecter of the battery case. Then you can start to use the phone. 2. Charging for the phone: just press the power button on the back of the battery case to start charging. And press the power button again to stop charging. 3. When you charge the battery case with the phone attached, the battery case will be charged. If you would like to charge the phone first, you have to turn on the power button on the back of the battery case. When the phone is fully charged, the battery case will be charged next. What’s in the box: 1 x iPhone 6S Plus / 6 Plus 7500mAh battery case 1 x User Manual