I am new to this trailer, just upgraded from a 2004 KZ. My two dogs and I are going on a six week boon docking trip soon and my concern is how to charge the batteries. I have a small Honda generator, but what will be the best battery charger that will not break the bank? I was told I need a 25 amp (?) in order to do the job. Also, I pull with a 2005 Duramax Diesel, and with two batteries, will the battery charger charge those batteries if need be? I will be traveling alone and really need advice in this area. I understand that they will charge going down the road, and the occasional night or two at a campground, but what about out there on that BLM ground? Thanks, and please keep it simple for me.