Warm prompt:
As we all know that Battery will discharge even if you just put it on the side and don't use it. After a long distance travelling, it arrives your hand, with Low battery.
If you receive this battery case, please make sure that you do charge it 100% full firstly , then you can use it to charge your cellphone well. Thank you for your great understanding!

Note:
When you plugged data cable in the case, it will charge the case first,if you want to switch charge the phone, just press the button, it will change charge the phone,when the phone battery 100% full, it will Intelligent change charge the case again.They charging stopped after one day and it doesn't charge the phone at the same time as the case when it's plugged in.

Features:
100% Brand New and High Quality!
Capacity: 1500mAh (For iPhone 6/6S、iPhone 7),2000mAh(For iPhone 6/6S Plus、iPhone 7 Plus) high capacity rechargeable lithium battery
Fine texture, Smooth surface
Super slim and light design
High capacity keep your phone alive. To extend the time for about one-fold
LED indicator
Plug and Play
Cell type polymer lithium battery
Input DC5V, 1000mA
Output DC5V,1000mA
Input Port: MICRO 5PIN
Output Port: USB 2.0
Nominal Capacity: 1500mAh(For iPhone 6/6S, iPhone 7), 2000mAh(For iPhone 6/6S Plus, iPhone 7 Plus)
Protection: Short circuit/Over charge

Package Include: 1x Power Case Cover (Model u0026amp; Color as Your Choose!).