MIGHTY MAX BATTERY 12V 18Ah Compatible for RBC7 SU1400 SUA1500 SU700 APC Cartridge UPS MAX3482580 - The Home Depot
American Power Conversion (APC) - RBC7 - Battery, Lead-Acid, 6.80 in. (Max.) H x 6 in. (Max.) W x 7.20 in. (Max.) D, 0 - RS
UBC7 Replacement Battery Kit Compatible with APC RBC7 US Only - BatteryUPSForLess
Amazon.com: UPC UPGRADE PARTS COMPANY RBC7-UPC Replacement Battery for APC Smart-UPS SU1400, SUA1500, SUA750XL, SUA1000XL, SU1400NET, SU1000XLNET - Scroll Down for The Complete List of Compatible Models : Electronics