Mullaghroe
VIP Member
Is it a big job to fit an MTTP controller with connection for portable solar? Who might quote for it? Sounds like a good backup as I could position the solar panel in the sun if the van is in the shade and use the solar panel to charge the Anker also.At the moment with the fridge running, diesel heater running for hot water only, and lights in the evening I reckon I am using approx 35Ah per day, so in theory you should at least 2 days out of the batteries without solar. There are lots of variables e.g. in in warm weather the fridge will be running more, longer days mean less drain for lights, how often the heater starts etc.
You can always add an MPPT controller under the drivers seat with a connection for a portable solar panel. No drilling needed.