Medical, UPS-Ready, ATX Power Supply incorporates battery charger.
Zeus PC1.3-12 12V 1.3Ah Battery with F1 Terminals
Mighty Max Battery 12V 1.3Ah, F1 Terminal, SLA AGM Battery Rechargeable Sealed Lead Acid 1213 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
MIGHTY MAX BATTERY 12V 1.3Ah Battery Replacement for Zeus PC1.3-12F1 - 4 Pack MAX3890157 - The Home Depot
Amazon.com: Zeus PC1.3-12 12V 1.3Ah Sealed Lead Acid Replacement Battery : Health & Household
Sealed Lead Acid Battery, 12V 7AH, F1 Plug – We-Supply