Forum Discussion

BFL13's avatar
BFL13
Explorer II
Jun 25, 2013

Does Adding Water to the Batts Make You a Bad Person?

I keep reading how it is a virtue not to have to add water to the batts because you bought the right sort of battery charger etc etc. I don't get it. My 6s are on solar and the controller has th...
BFL13's avatar
BFL13
Explorer II
Jun 26, 2013
pianotuna wrote:
Hi BFL13,

It is entirely possible to get to 100% state of charge at 14.4 volts. It just takes longer.


These guys like 15.3v finish stage for a couple hours (not an equalization, but more like the second part of the absorption stage)

http://www.wholesalesolar.com/pdf.folder/battery-folder/charging_instruction_2011_2.pdf

That's what I do. Except on solar, my highest is 14.6v, gets pretty close to full by SG but not quite, and uses water--monthly top up.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,369 PostsLatest Activity: Mar 12, 2026