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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
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MIGHTY MAX BATTERY 12-Volt 8 Ah Replacement for APC Back-UPS ES 750 UPS Battery ML8-121152 - The Home Depot
![Amazon.com: SMT750C - UPSBatteryCenter Compatible Replacement Battery Pack for APC Smart UPS 750 LCD : Health & Household Amazon.com: SMT750C - UPSBatteryCenter Compatible Replacement Battery Pack for APC Smart UPS 750 LCD : Health & Household](https://m.media-amazon.com/images/I/61erhUwsD8L._AC_SX425_.jpg)