RV Battery
I have a 5 year old Interstate battery that needs replacing on my 5er. I suspect that it has been failing for a while. Plugged to 120 V it showed 4 circles. Removed the 120 V power and the RV battery ...
Forum Discussion
If you have space go to Costco and buy two 6 volt golf cart batteries and wIre in series for 12 volts. You'll have a ton mate reserve power and the batteries are $85 a piece. Or if wallet can afford two Trojan 105 in series.
