Ernesto Sanchez wrote:

Here's a site full of ideas for the home built aircraft electrical system:

http://www.aeroelectric.com/

http://www.aeroelectric.com/articles.html

If one is going to depend on a backup battery, I would suggest a

periodic

(monthly? quarterly?) load test of the backup battery

And this link shows how to test a battery:

http://www.aeroelectric.com/articles/battest.pdf

 
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