Most modern motor-homes I've seen/used have a solar panel for trickle charging the leisure battery. Some other good examples of retrofits here: http://www.goal

Most modern motor-homes I've seen/used have a solar panel for trickle charging the leisure battery. Some other good examples of retrofits here: http://www.goalzero.com/solarlife/stories/en-route/ http://www.goalzero.com/solarlife/stories/en-route/