SUA1500 - APC Smart-UPS 1500VA 980W USB & Serial Refurbished - 1 Year Warranty
APC UPS battery replacement for Smart-UPS 1500 (SUA1500) and XL 3000 (SUA3000XLT): batteries RBC7 and RBC55 « The Wiert Corner – irregular stream of stuff
How To Replace & Upgrade Your APC Smart UPS Battery