Portable battery charger. What do you carry?

KJINTF wrote:
This is one of the best explanations I have seen regarding equalization of wet cell batteries - thanks Mex

"Equalization is not like giving the batteries a vitamin pill. It is ONLY done when the specific gravity varies greatly from cell to cell. Equalization SHEDS PERFECTLY GOOD ACTIVE POSITIVE PLATE MATERIAL as well as forces sulfate from coated plates back into solution. What equalization is, is choosing the LEAST OF ALL EVILS to maintain a battery in the best condition you can."

My batteries (Costco CG's) typically last 8 to 10 years, get Equalized no more than once every two years (individually per 6Vdc battery), have their SG checked about twice a year and water added once or at most twice a year. They have never been below 60% SOC and typically stay above 75% while camping. The rig is not used in the winter time.

Not sure if my use/service is "normal" aka typical or not - wondering what others do

I do the same as you except travel south in the winter and equalize 2 times a year. My Sams Club batteries are 7 years old and will last 7 days before reaching 50% soc. I always run out of water and gray tank space before I run out of battery power.