Lenoge 10.8v/5200mah Laptop Notebook Li-ion Replacement Battery for Hp Pavilion Compaq Presario Dv4 Dv5 Dv6 Cq40 Cq41 Cq45 Cq50 Cq60 Cq61 Cq71 G50 G60 G61 G70 G71 Battery type: Li-ion; Cells: 6-cell; Capacity: 5200mAh(Compatible with 4400mAh); Voltage: 10.8V(Compatible with 11.1V). Built-in circuit protection ensures both safety and stability 100% New from Pro-Manufacturer CE-/FCC-/RoHS-certified for safety in order to Maximize the battery life,Please read the instruction manual before using