APC BACK-UPS RS BR1500LCD 1500VA/865W UPS System (Discontinued by Manufacturer)
Amazon.com: Beiter DC Power APC-UPS Backups RS1500 These Batteries are High Performance, Rechargeable (2)12V9ah Replacement for APC RBC109 : Automotive
APC Back UPS RS 1500 BX1500-PCN Compatible Replacement Battery Pack by UPSBatteryCenter
Beiter DC Power Replacement Battery for APC Back-UPS RS 1500-12V 8ah Kit of 2
Amazon.com: POWERSTAR Replacement Battery for Compatible with APC Back-UPS RS 1500 - Pack of 2-3 Year Warranty : Electronics
Amazon.com: Beiter DC Power APC-UPS Backups RS1500 These Batteries are High Performance, Rechargeable (2)12V9ah Replacement for APC RBC109 : Automotive