Specification :

Voltage can be regulated manually; With a maximum output current of 4A.
Special designed for laptop, cater to different brand & model notebook. Extra Prolong the battery life to be around 3~ 4 hours.
Capacity: 8800 mAh
Battery Type: Lithium Polymer Battery
Rated Input: DC 9.0V~ 19.0v, 0.8~ 1.0A
Rated Output: DC 8.4V/ 12V/ 16V/ 19V, 4A~ 4.2A
Dimension: 120mm* 75mm* 23.5mm
Weight: 270g