Amazon.com: APCRBC123-UPC, Replacement Battery by UPC UPGRADE PARTS COMPANY for APC UPS Systems - BX1300G, BR1000G, BX1350M, BN1350G, BX1000G : Electronics
MIGHTY MAX BATTERY 12V 9Ah SLA Battery Replacement for APC APCRBC123 - 2 Pack MAX3839290 - The Home Depot