APC Smart-UPS 1400: Bottom red light (battery bad) remains on even after replacing battery in this UPS, but it goes green immediately on other UPSes.... What do? : r/sysadmin
APC Back-UPS ES 750 Battery Backup Surge Protection-Powers On-Red Battery Light Flashes-Item #075 – Look What I Found
APC Back-UPS, 6 Outlets, 425VA, 120V - WB Mason
Amazon.com: APC UPS Battery Backup and Surge Protector, 600VA Backup Battery Power Supply, BE600M1 Back-UPS with USB Charger Port : Electronics