I have just bought lithium batteries and chargers. My new chargers have cooling fans on them. I have always plugged my wet cell chargers in when I got my boat home and shut it off when I headed out for the next trip. Most recently I’ve used MinnKota Precision chargers and only had to top off water every 4-6 months.

Do you leave the lithium chargers plugged in for long periods or must they be shut off after a certain time period? I charged my new batteries over night and when I checked them, the cooling fans were still running.

I’m going to call my contact at my new battery company tomorrow but would like to get other opinions.


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