I have a yellow top deep cycle battery that is in a car that has not been driven for a few months. I think the battery is completely dained, because when i turn the key nothing happens at all. I know these batteries can be recharged, and am thinking of getting 1 of those solar chargers for like 30 bucks, but would that charge the battery? How long would it take for one of these chargers to charge the battery?
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{ 2 comments… read them below or add one }
One of those cheap panels would be unlikely to charge a car battery from dead. At best, it would maintain a good battery. What I would do, in order of preference, is:
1) Use a regular battery charger that you plug into the wall, or
2) Use one of those battery cables that connects between the cigarette lighters of two cars. That’s current-limited, and will avoid a massive surge of current from the second car’s battery, or
3) Use a regular jumper cable with another car, the usual way.
If you can remove the battery, most auto parts stores will charge and test the battery for you for free.