Hey all,
Just something quick i saw 2 days ago. My car battery ran flat. After boosting it, I thought a cell is blown, so I went to my local battery center for a second opinion.
So procedure says he must first test my battery, so he got out his fancy meter, and tested. He then proceeded to tell me my battery had 32% of charge in it and that's too low. Afterwards i expected my battery to be drained, but it wasn't. His tester did not run the battery flat!
So, how do these testers work without discharging the battery? I would like to build my own if possible
Just something quick i saw 2 days ago. My car battery ran flat. After boosting it, I thought a cell is blown, so I went to my local battery center for a second opinion.
So procedure says he must first test my battery, so he got out his fancy meter, and tested. He then proceeded to tell me my battery had 32% of charge in it and that's too low. Afterwards i expected my battery to be drained, but it wasn't. His tester did not run the battery flat!
So, how do these testers work without discharging the battery? I would like to build my own if possible