Forum Discussion

SJ-Chris's avatar
SJ-Chris
Explorer II
Mar 04, 2021

Adding a new battery...questions....(venting/gassing)

I've got two 2015 Thor Majestic 28a Class C RVs. One of them now has two AGM Group 29 batteries (I believe they are Group 29s) for the coach. The other RV has two lead acid Group 29s. All the batte...
jdc1's avatar
jdc1
Explorer II
Mar 04, 2021
pianotuna wrote:
Unless the batteries are almost unused, adding a 3rd battery may not be a great idea. If you can afford it, replace all three.


Or, put the 4 older batteries on one bank, and the 2 new batteries on a separate bank.

About DIY Maintenance

RV projects you can tackle on your own with a few friendly pointers.4,352 PostsLatest Activity: Jan 29, 2025