Amazon.com: APC Back-UPS Pro 350 (BP350U, BP350UC) New Compatible Replacement Battery by UPSBatteryCenter : Health & Household
APC BATTERY BACKUP/SURGE PROTECTION BE550R : IRONTIME SALES INC.
How to replace a battery in an APC Back-UPS CS 350 - YouTube
APC Back-UPS Pro 10-Outlet 798 Joules 810-Watt 1350Va Indoor Network Surge Protector with Battery Backup in the Surge Protectors department at Lowes.com
APC Back-UPS ES 350, 120V Black Standalone UPS (BE350G-US) with Network Line Protection, Refurbished - US only - BatteryUPSForLess