Lizone New Laptop Battery For Panasonic Toughbook CF-19 CF19 Cf-VZSU28 CF-VZSU48 CF-VZSU48U CF-VZSU50 Battery 6 Cell Super Capacity 5.2Ah/56Wh 100% new from manufacturer, high performance replacement battery About 500 recharge cycles over the life of the battery 100% New from manufacturer,18 months warranty Overcharge and discharger circuit protection, CE-/FCC-/RoHS-certified for safety