Fear of logs depends a lot on where you are. In my area, I will NOT run in the dark. Too many logs and just not worth it to me. On the other...
I presume you guys are talking about the marine grade heat shrink connectors? The ones with the heat activated adhesive that seals around the wire...
In the commercial world this would be an annual test for USCG
In your first photo of your old charger it appears to be charging at about 8 amps. If that is your normal draw with the boat not in use your 5 amp...
I don’t see where you ever mentioned what the battery banks are for? Are they just for engine starting or are these your house batteries? Or both?...
What do the batteries serve that you are charging? Is there something else charging them while under load? Like engines, generators, etc? 5 amps...
I have C-18’s too. Yes, they take awhile to fully boot. However, they will start if emergent once the initial alarm light goes out when you turn...