Replaces my 3 trolling batteries in May of 2018. Bought a new minnkota charger... everything been working as should.

Yesterday I replaced my cranking battery just because of its age and didn’t want to chance being off somewhere and it quit on me.

I have a minnkota charger.. when I went to unplug the charger to start replacing crank battery all batteries were on green light/ maintenance mode.
Unplugged, unhooked cables from crank battery,swapped out batteries, hooked everything back up and plugged charger back up.

This morning I look to make sure everything is back on green lights and now I have bank 2, which is one of my trolling batteries that never got off the 25% light??? Keep in mind all were on green and I didn’t even touch none of them. All I did was swap a crank battery...
not throwing a blinking code... just still on 25% charged.

Anybody got any ideas on what
Could be the issue with this??


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