2 12 volt batterys or 2 6 volt
what gives me the most bang for my money. every other rig that I have bought always had 6 volt battery's but the new one has 2 12 volt. not sure what works better.
Forum Discussion
enblethen wrote:
Yes, there is a lot of difference. The six volt batteries have thicker wider spaced plates then in a twelve volt battery.
Six volt batteries of a given capacity in a 12 volt system have to have thicker plates than 12 volt batteries of the same capacity in a 12V system if the 6V batteries are to last as long as the 12 volt batteries. That's because the individual cells in an all-6 volt battery system carry twice the current day-in day-out as the individual cells carry in an all-12 volt battery system.
A two-battery 6 volt RV system weighing a total of 144 lbs. (two 72 lb. batteries) has no more lead in it than a two-battery 12 volt RV system weighing the same (two 72 lb. batteries). If each system is built with the same technology and quality, then both systems should last about the same length of time if both systems are properly discharged and charged.
Of course, "built with the same technology and quality" and "if both systems are properly discharged and charged" are the key issues if one wants to make sure they're comparing apples to apples whenever they evaluate 6V systems against 12V systems.
