Ford Expedition Repair Question
Testing the status of a battery
After a 7 hour drive, I used my little floating ball battery water checker and it showed that the battery is only just over 50%.
I took the car into both Autozone and Kragen. They both put their analyzers on the battery and tested both the battery condition and charging functions.
Both placed said that the battery and charging system was in good shape and that there wasn't any problem with the battery.
So my question is do the battery testing devices at the auto parts stores do a good job of determining the overall condition of the battery?
I know the floating ball checker is old school, but is it still reliable in determining battery conditions in todays batteries and can it be a better indicator of the battery long or short term condition than the electronic checkers that the stores use?
It is a 2004, and yes, it appears to be the original battery. I'm skeptical of the test results that the auto stores gave me and I will change the battery in the next few months. I will just have to keep an eye on the interior lights and how long they are on. I'm putting jumpers in the car just in case.
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