Forum Discussion

Naio's avatar
Naio
Explorer II
Jun 29, 2018

AGM battery test results and what should I do next?

I have 5 AGM batteries: 1 new for the chassis, and 5 used Fiamms for the house. All have their quirks. I want to report back on how I've tested them this week, and hear you folks' thoughts on what I ...
2oldman's avatar
2oldman
Explorer II
Jun 29, 2018
Naio wrote:
it got up to 12.91 the first time I did it and 12.93 the second time. But after sitting for a week, with the negative post disconnected, it is back to its old 12.85v. .
What's wrong with 12.85?

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,344 PostsLatest Activity: Dec 24, 2025