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      06-17-2021, 07:22 PM   #9
Sophisticated Redneck
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Drives: 2012 BMW X5 50i
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Quote:
Originally Posted by titanle View Post
In terms of testing the battery, previously I disconnected the negative terminal from each battery and connected the Noco smart charger to each battery separately. Both charged up to full with the green light in less than 5 minutes.

Is that an accurate way of testing the battery? Should I remove both the negative and positive terminal and then put each one on charge?

I haven't had time to tackle the ground strap issue at this time.
No that doesn't really test the battery, best you take it to a local Autozone, Napa, or Orileys and have them test it for you as they will do it for free . The battery tester puts various high-amperage loads on the battery and measures the voltage drop under these loads over time.
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