For Itronix GoBook IX750 series
7.4V 7600mah/56.24WH
For Itronix GoBook XR-1 IX270 IX270-010 GD8000
11.1V 7200mAh/79Wh
For Itronix Hummer GoBook VR-1 VR-2 GD6000
10.8V 6600mAh/71.28Wh