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nickbatz nickbatz is offline
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Default UPS blew out power supply - how?

Hey Mike, hope you're staying safe.

We had terrorists in my garage a couple of years ago. They were incredibly prolific, pooping everywhere. I and three other big guys spent a very long day taking out 25 years of accumulated stuff, cleaning it, and throwing away 2/3 of it. A pest control man got rid of the terrorists, and then sealed every opening in our house so they couldn't get in again (plus we replaced the garage door so it closed tightly).

As to lightning storms, the weather is always perfect in sunny Southern California.

But your theory makes sense, because we do have voltage fluctuations from time to time. I have no idea whether the UPS was running on batteries then.

And I still don't know whether replacing the batteries and trying to keep the UPS going is a good idea.

I do have two multi-outlet isolation transformer boxes, which are a different thing, but they should offer some protection.