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UPS/lead-acid battery, 12v/5A: looking for a good and educational schematic

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0db:
hi
I'd like to build an Uninterruptible Power Supply for an SBC engine operating at 12V.
The engine needs 5A, and I'd like to use a common lead-acid battery.

I have Googled, but I have only found confusing schematics, and I'd like to see something educational with a pretty description.

Thanks

rvalente:
What is a SBC engine? Single cylinder?

This may help you:
http://ww1.microchip.com/downloads/en/appnotes/01015a.pdf

0db:

--- Quote from: rvalente on February 26, 2020, 05:36:24 pm ---What is a SBC engine? Single cylinder?

--- End quote ---

SBC = single board computer. It's a x86-compatible computer on a single board, it has a video graphic unit and hard drive and it eats 4 Ampere. The UPS is required to let the computer to shutdown correctly the hard drive without damaging the filesystem.

Thanks for the link  :-+

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