Battery type: Polymer lithium battery
Capacity:2800mAh for 6,6s,7,8
3500mAh for 6+,7+,8+
Input port: i7 interface connector
Input: 5V / 1A (Max)
Output: 5V / 1A
Size: 141*70*12mm for iphone 6,6s,7,8. Weight: 78g
161*81.5*11.8mm for iphone 6+,7+,8+. Weight: 85g
1,Slim Extended Battery Case, shorten the thickness and lighten the unnecessary weight.
2,Featuring sync-through technology that you can sync your iPhone to a computer through lightning cable without having to take the battery case off.
3, Faster and safer charging with your iPhone battery case.
4,If you plug in the cable, your phone will charge first, and when it's topped off, then the case will charge.
5. Built in LED indicators show you battery case charge status.
6. Built in short circuit and over charge protection. Safety first.