Roll Up Solar Panels / Ogre MPPT Controller
I would LOVE to get 10-12 amperes of 12 volt grade charging for my new group 31 Lifeline. But I have a motor-scooter size toad, that forces me to the roll-up kind of solar panel, and woe is me, the...
Forum Discussion
Hmmmm ... if one was to have an even numbered quantity of solar panels, how about compromising for best average performance by making half of them mono and half of them poly?
Now for the tough question: Assuming you want to spend the money for a high enough input voltage spec'd MPPT - what would be best for a couple of portable panels that could wind up being up to 50 feet from the batteries -> put the two panels in parallel or put the two panels in series?
Series gives you less voltage drop on 50 foot wires going back to the MPPT controller in the motorhome, but doesn't parallel have some advantage ... I remember reading about parallel panels (I think) having less output reduction with partial shading? (Also, I believe that the SolarMagic technology I mentioned earlier helps reduce the effects of partial shading.)
Now for the tough question: Assuming you want to spend the money for a high enough input voltage spec'd MPPT - what would be best for a couple of portable panels that could wind up being up to 50 feet from the batteries -> put the two panels in parallel or put the two panels in series?
Series gives you less voltage drop on 50 foot wires going back to the MPPT controller in the motorhome, but doesn't parallel have some advantage ... I remember reading about parallel panels (I think) having less output reduction with partial shading? (Also, I believe that the SolarMagic technology I mentioned earlier helps reduce the effects of partial shading.)
