11-09-2015, 11:41 PM
I've had two marine deep cycle batteries that had the positive posts turn black and it looks as if some acid is on the top of the battery, it has that wet look. I put some baking soda on one and sure enough it fizzed. Any idea on what causes this? These batteries are only a year old? These are used on my hand held minn kota 50 lb thrust electric motor. I charge them with a schumacher charger. They are EVER Start 29dc maxx batteries. Thanks for any info.
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