Quote:
Originally posted by Groth
Another possibility is to hack into a UPS. Modify it so that it always outputs from the power inverter and never pass mains straight through. Problem there is that most UPS don't have a battery charger powerful enough for that kind of continuous operation. You'd need a big UPS, or some supplemental DC source.
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It used to be that "UPS" actually meant that the output was alway provided from the DC voltage at the battery. (Truly no interruption.) Of course PC's drew a lot less power at that time, so it was a lot more practical.
You might still be able to find such a device, but it would likely cost a small fortune.
The motor-generator is a good idea, but you might want to put it in a garage or something. Not sure how noisy it might be.