CBD&trade; New Replacement Battery for Gateway MT6456 MT6919 MX6445 MX8711 NX860XL MT6457 MT6460 MX6920H Battery type: Li-ion; Capacity: 5200mAh; Cells: 6-cell; Voltage: 11.1V. 100% New from Manufacturer CE-/FCC-/RoHS-Certified for safety Built-in circuit protection ensures both safety and stability 30 days money back guarantee & 60 Days warranty