APC APC BackUPS 6 Outlets 450VA 255W 6-Outlet 180 Joules 255-Watt 450Va Indoor AC Surge Protector with Battery Backup in the Surge Protectors department at Lowes.com
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APC Back-UPS 900VA Tower UPS Black BVN900M1 - Best Buy
Amazon.com: APC UPS Battery Replacement for BR1000G, BX1350M, BN1350G, More 425VA UPS Battery Backup Surge Protector : Electronics
How to replace an APC Back-UPS ES 550 Battery - YouTube
APC Smart-UPS C Battery Backup & Surge Protector SMC1500C B&H