More than 1.5X your battery
Specifications
Weight: 46 g
Capacity: 1200mAh
Cell type: Lithium-ion battery
Dimension:84.4×49.6×12.3(mm)
Output voltage:5.5/5V
Output current:700 Ma max
Cycle life: 500times

Function& character:
Power check& indication
Voltage switch
Rubber casing