Amazon.com: Replacement for APC Back-UPS ES 350 BE350R Battery - Compatible UB1234 Universal Sealed Lead Acid Battery (12V 3.4Ah 3400mAh F1 Terminal AGM SLA) - Includes TWO F1 to F2 Terminal Adapters :
MIGHTY MAX BATTERY ML3-12 APC Replacement for Back UPS ES 350 Battery MAX3424222 - The Home Depot
apc back ups es 350 products for sale | eBay
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Amazon.com: Replacement for APC Back-UPS ES 350 BE350R Battery - Compatible UB1234 Universal Sealed Lead Acid Battery (12V 3.4Ah 3400mAh F1 Terminal AGM SLA) - Includes TWO F1 to F2 Terminal Adapters :
Replacement Battery for APC Back UPS ES 350 1 Pack
Battery kit for APC Back UPS ES 350 replaces APC RBC29