Tcom Tough Armor Dustproof Waterproof Shockproof Super-Thin External Battery Charger Phone Case Powercase 
For Apple iPhone 6/6S/7/8 (3000mAh) & 6 Plus / 6S Plus / 7 Plus / 8 Plus (4200mAh)

Unique waterproof, dust-proof and crash-proof and super thin, fashionable. Can be used as good case to protect your phone from water, dust, scratches and other minor damages
Specially designed with an iphone compatible Lightning connector, the Grip Power Battery Case doubles the battery life of your iPhone, so you won't have to worry about running out of juice when you need it most.
The Power Case provides your iPhone with premium protection against the wear and tear of everyday living, while it is still small enough to fit easily in your hand or in your pocket.
With its light-weight, simplest bumper design, it does an outstanding job to power and protect your phone while still keep its minimal form factor. 

Specifications :

Battery case size: 142*70.9*16.1mm
Weight:98g
Material: PC+ABS+TPU
Battery type: polymer battery 
Battery capacity:3000mAh
Charging time: 5 hours
Operating/charging temperature: -15°-50°C
Output current: 1A
Output voltage: 5V
Input voltage: 5V
Input current: 1A

Warranty Period:
1 Month Warranty By Payavalue.com
Terms & Conditions apply