If you just wanna buy one unit of this type charger case,pls click here:

Specification :

Stand support.

Ultra-thin design and perfect dimensions.

Very light and convenient to carry with.

Easy installation and removal.

Works as a extended battery case and a protect case.

Capacity: 3000Mah for iphone 6/6s/7 4200Mah for iphone 6p/7p

Input: 5V/1A.

Output :5V/1A.

Package including:

1 backup battery case