Specification：                 

Capacity optional:  6600mAh
Dimension:193×88.5×27.5 mm
Weight: about 660g
Chemistry:advanced lithium polymer based
Output voltage:DC 5.3V,16V,19V
Input voltage:15.5V~25V
Output current:≤3200mA
Input current:≤3000mA
Charging method:DC port,USB port
Cycle life≥800 times
Running time:  Supply  power to  laptop about 2-4 hours (depending on the laden work status)

Protect function:Short circuit, over current, over charging, over discharging

Available colour: black
Standard accessories:1 output cable,7 charge tips and 6 output tip

work for most Notebook computer, mobile phone, MP3, MP4, digital cameras, this power can be used as the charger and spare battery.