Replacement Grade A 3 Cell Laptop Battery Compatible with Panasonic Toughbook CF-19, CF-VZSU28, CF-VZSU48, CF-VZSU48U, CF-VZSU48R, CF-VZSU50, CF-VZSU50U, CF-VZSU58, CF-VZSU58U - Online at Best Price in Singapore only on ElectronicsCrazy.sg
RTC CMOS Battery for Panasonic Toughbook CF-19 – Rome Tech
Replacement of Panasonic Toughbook CF-19 Battery - iFixit Repair Guide