In most industrialized countries, a phaseout of TEL from road vehicle fuels was completed by the early 2000s because of concerns over air and soil lead levels and the accumulative neurotoxicity of lead.
Do not use tap water. Tap water contains minerals that are harmful to golf cart batteries. Distilled water will extend the life of your batteries. 4. Put on gloves and goggles for protection before removing the plastic caps. Remember the cells are filled with acid. A handy battery filler is the Plews Automatic Shut-Off battery filler.
6 Volt Golf Cart Batteries. A popular choice for an house RV battery is the 6 volt size designed for use in golf carts. It is an extremely rugged, deep cycle design and two of them can be wired in series to form a 12 volt battery that works extremely well in RV applications.