build1 publisher
A Smart-UPS self-test runs on battery for about ten seconds every two weeks
The automatic test proves the transfer relay closes and the inverter starts. A worn battery passes that, so measuring your shutdown window means pulling the input cord with the real load attached.
Publishers:dev.to
Reality
- Evidence58
- Adoption
- Insufficient
- Hype gap+10
- Incentives55
- Confidence60