I purchased the Schneider SW4024 & Combox over 3 years ago as a whole house UPS (excluding HVAC, Range, Dryer, WH, etc). I live in a rural area in Florida with dense tree coverage that isn’t conducive to solar panels. Our electric grid has frequent brownouts and outages. With two 12v 100AH lead acid batteries, my house will run for 1 to 2 hours allowing sufficient time to start my portable gasoline generator, if necessary. I configured the SW4024 recharge rate at 25% to allow my 5KW generator to power the house without stalling. Fortunately, the outage switch over time is quick enough to prevent my computers and other electronics from glitching. I barely notice a flicker of the household lights. I removed all the small unreliable UPS after their batteries failed, since they were no longer needed. I am very happy with performance and reliability of the Schneider SW4024 as a UPS (even though it was never marketed with that functionality).
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