Casil 12V 18Ah Replacement Battery Compatible with RBC7 APC SmartUPS SUA1500 2 Pack : Health & Household
Amazon.com: APC RBC7 Smart-UPS SMT SMT1500 UPS 12V 18Ah Battery Real 18 Amp Gel Deep Cycle AGM/SLA Designed for UPS-12180- Nut & Bolt L1-2 Pack Beiter DC Power : Electronics