APC SUA1000I Battery Kit, also fits SUA1000US, SUVS1000, and SU1500RMX155 Models | eBay
SUA1000I - APC Smart-UPS 1000VA USB & Serial 230V | Schneider Electric Global
SUA1000I 1000 APC Smart UPS battery
UPSANDBATTERY Brand Compatible Replacement Battery For APC UPS Model SUA1000I-IN - High Rate Discharge Series Battery - A Non-OEM Replacement UPS - Newegg.ca