RV Battery Power

A carbon pile tester, left, checks battery output capacity; a refractometer, below, measures the electrolyte’s specific gravity and indicates each cell’s state of charge.
previous post
FMCA members have access to exclusive articles and RV tips, plus a digital library of RVing know-how. For full access to website content, plus must-have travel benefits, join FMCA today and get instant access to Family RVing magazine.
If you already have a membership with us, sign in now to get full access!