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 BackUPS Pro BP1400X116 Replacement 24V 22Ah RBC7 Plus Battery Cartridge
How to Replace the Battery in an APC Smart-UPS 1500 · Share Your Repair
APC Smart-UPS 1400 Rack Mount (SU1400RM2U) - Brand New Compatible Replacement Battery Kit | RefurbUPS