[Woodporterhouse] must deal with regular power black outs in his area ... patch between incoming line voltage, and the battery backup. He already had one of these switches in place for use ...

The Bluetti AC50B ships with a mains kettle-style plug for charging it up, a cigarette lighter-style 12V car charging cable ...

The particular UPS unit [Gadget Addict] was using has a lead acid battery that was prone to failure on an almost annual basis — which defeats the purpose of a backup power supply for even a ...