APC RBC48 OEM REPLACEMENT BATTERY FOR APC UPS 1 YR WARRANTY APC RBC48 Replacement Battery Cartridge | Staples Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. APC RBC48 Replacement Battery Cartridge | Staples