User manual APC Back-UPS ES 350 (English - 2 pages)
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 ES 350 Battery Backup plus surge protection - NO battery | eBay
MIGHTY MAX BATTERY ML3-12 APC Replacement for Back UPS ES 350 Battery MAX3424222 - The Home Depot
Best Buy: APC 350VA Back-UPS ES 350 BE350U
Expert Power 12V 3.3Ah Replacement Battery for APC Back UPS ES 350 EXP1233 | eBay
APC Back-UPS ES 350, 120V Black Standalone UPS (BE350G-US) with Network Line Protection, Refurbished - US only - BatteryUPSForLess
RBC35 Battery Replacement for APC BackUPS ES 350 U/C/R - YouTube
MIGHTY MAX BATTERY ML3-12 APC Replacement for Back UPS ES 350 Battery MAX3424222 - The Home Depot