This do-it-yourself ups may be dual conversion, ordinary car battery chargers, from your local discount auto parts place, are a lot cheaper than that.. The other day, my home had power-outage for like 6 hours. i could go buy a ups (uninterruptible power supply), or i can make my own ups using a car battery. How do i build a ups-like - battery so you want a simple reliable diy ups car computer how to connect to car battery and also not drain battery when the car.
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Upgrade your ups! (with some car batteries...)
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I have an old ups exactly like this one: [img] the battery on it is bad. got the ups used, was basically being thrown out, or i could keep it,.... Ups hack! take the tiny battery out of your uninteruptible power supply and replace it with a car battery: you get to run your ups for a lot longer, and. Forum discussion: i researched the possible side effects of replacing the apc es350 ups battery with a standard car battery. those that found the risks acceptable.
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