Mighty Max Battery 12V 1.3Ah Battery for APC Back UPS ES 350 Rechargeable Sealed Lead Acid 1213 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
APC Back-UPS 350VA UPS Battery Backup (BK350) | Dell USA
APC Back UPS ES 350VA Battery Backup - Office Depot
MIGHTY MAX BATTERY ML3-12 APC Replacement for Back UPS ES 350 Battery MAX3424222 - The Home Depot
Amazon.com: SPS Brand 12V 8Ah Replacement Battery for APC Back-UPS CS 350 UPS Battery : Health & Household
APC Back-UPS ES 350 (BE350) - Brand New Compatible Replacement Battery Kit | RefurbUPS