Type Li-Pol Voltage 7.4 V Capacity 4450 mAh Color Black Dimension 266.90 x 79.25 x 4.20 mm Certification ISO 9001, RoHS, CE Warranty: 3 months Compatible part numbers OL02XL Hp Part Numbers 750549-001 / 750334-2C1 Compatible with following models of Hp Elite x2 G1 Elite x2 1011 G1 L8L94PA Elite x2 1011 G1 L4H91AW