Re: Can you overcharge a battery with trickle charger
El cheapo trickle chargers will overcharge. I left one on a battery by accident and came into the garage a week later. I could hear a sizzling noise and traced it to the very warm battery that was boiling either by some chemical reaction inside or just plain too hot.
I unplugged it and left it alone until it cooled as I have heard of overcharged batteries bursting and spewing acid.
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