Product parameters:

Capacity: 4200mAh Weight: about 108g

Battery type: Lithium polymer battery

Applicable models: iPhone5 5S 5C

Charging time: 4 to 6 hours or so

Size: 136 * 62 * 18mm (error ≤2mm)

Input voltage: DC5V-800mAh

Output voltage: DC5V-800mAh