naturist wrote:
Since you don't say what type battery you have, I can only assume it is a flooded cell lead-acid battery. Such batteries require being fully charged at least once a month lest they slowly die all by themselves. If you are storing the RV for 9 months where there is no power, you would be best served by removing the battery, taking it home, and either putting it on a battery charger once a month, or using one of those battery minder devices. This would be both a LOT cheaper and much less hassle than making periodic excursions with a generator. Just my humble opinion.
the batteries are lead/acid...and the trailer will towed and used at least monthly during the next 9 months..