My four month old camper came with a dual purpose marine battery and I want to increase my electrical capacity. I realize that dual purpose is not the best choice, but should I pair it with a true de...
Get another equal batt and run them till they are gone. I boondocked for many yrs with 2 grp 27's Last pair lasted over 7 years. I then went to 2 GC2's. no need to spend the extra money now. Just need a good charge with a charger before leaving and be a little conservative with use and you will be fine. I know there is a science to this but some hair splitting is not necessary to having a fun camping trip. Good luck.
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,369 PostsLatest Activity: Mar 11, 2026