Gateway Mx6427 Notebook / Laptop Battery 6600mAh high capacity (Replacement) Build with high quality components that fits the GATEWAY MX6427 laptop Volts: 14.8V, Cells: 12, Chemistry: LiIon, Capacity: 6600mAh, 1 year manufacturer warranty. 100% OEM compatible and made with high quality battery cells. In house engineers to ensure fast response for all technical questions regarding the GATEWAY MX6427 laptop battery. Ship direct from manufacturer