Quote:
Originally Posted by MotorHead
Can I do that in my basement ?
Currently my battery is in the basement, it is too cold to go out to a sandbar.
Let the battery sit in the basement for a week.
Charge it with a trickle charger until the charger light turns green.
Unplug the charger, let it sit overnight then measure
Would that work?
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The goal I had in mind was to test your boat's charging system, not the battery. Charge the battery fully and then bring it to a store that sells batteries, they will load test it for you and determine if it is good or not. Once you have a known good battery in your boat, try my test after a day of boating and see if the battery is fully charged. If it is great, if not, you should address it to avoid being stranded on the lake someday...