Replacing Battery on APC Smart-UPS SUA 2U Rack Mount UPS | Schneider Electric Support - YouTube
Amazon.com: RBC7-UPC Replacement Battery for APC Smart-UPS SU1400, SUA1500, SUA750XL, SUA1000XL, SU1400NET, SU1000XLNET - Scroll Down for The Complete List of Compatible Models : Electronics
APC Smart-UPS 1000 Battery Hot Swap - YouTube
APC Smart UPS 1000 - Dead Battery Replacement - YouTube