A good battery charger will have a drop down trickle charge on it so you can't overcharge. Plus, as you are driving to your destination, your TV should be charging the batteries on the TT. At least that's how mine works on the last two TT I owned.
Enjoy the trip!!!!
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Richie and Rose
2011 Ford Expedition Limited
2011 Flagstaff V-Lite 30WFKSS
nights camped in 2010 - 20
nights camped in 2011 - 28
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