This video goes through what/how I manage adding a battery and getting it charged on the fly while I am fishing. I use my boat for tournament fishing and without spending thousands of dollars on batteries and charging systems, you can have a great and dependable powerset up.
The following are items I used for my power project:
Blue Sea Systems MiniAddABattery120 Amp
https://amzn.to/3sAMLJo
6 Guage Wire
https://amzn.to/3ABy6RG
Liquid Electrical Tape
https://amzn.to/3u2LUU9
Tinned Copper Terminal Connectors
https://amzn.to/347ZOth
Blade fuses and inline fuse holder
https://amzn.to/3u6V4iv
Double Battery Tray
https://amzn.to/3IIUIT9
Heat Shrink Gun
https://amzn.to/3KM6ePO
Heavy Guage Terminal Crimper
https://amzn.to/3H44m2h
Shrink Tubing
https://amzn.to/34aqGsP
Nylon Cutting boards
https://amzn.to/3H70ei3
60 amp fuses
https://amzn.to/3rRqEhp
Installation Wiring Video
• How to install dual batteries on a bo...