iphone 7plus battery case,CHYING iPhone Portable Charger iPhone 7 plus (5.5 inch) 4880mAh Extended Battery Pack Power Cases (Build-in Magnet Design) [Black];

Specifications:
Capacity: 4880mAh
Battery cell type: Lithium Polymer
Material: Rubber + ABS + PC
Thickness: 13.4mm(0.52inch)
Weight: 3.9 Oz(110 g)
Input: 5.0V/0.5A-2.1A, Output : 5.0V/1.0A-1.5A
Dimensions: 164.2mm X 83.4mm X 13.4mm(L-W-H)
Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100%

Box Content:：
• 1x 4800mAh Battery Charger Case
• 1x User Manual

installation method:
1.find the groove top left corner of the surface box,then take out the surface box using your nail.
2.put iphone battery charge's interface into the Ku's shell bottom,and then slide it until they are fittde eack other
3.hold your mobile phone,and aim at the bottom buckling part,then press the four corners of the device until the buckling part and the device combine tightly.
Disassembly mode:
1.pull the back cover along the direction of the above picture using your left hand,and then pull the device's rims to the right.
2.according the direction of above picture,push the iphone out.
3.install the shell to their place,its appearance is shown in above figure.