Yet another Solar Install thread
I've read most of the numerous install threads related to the subject but wanted to start my own:B I'm in the beginning planning stages and want to start with panel selection so I'll just start by ...
Forum Discussion
I did it by trial and error, but one measurement I got that might help is with my 130w panel lying flat, I hauled in 56AH a day in May at 49N
So if you know your daily AH usage when camping where and when, then you can take a WAG at the wattage needed to produce that many AH then and there (it varies a lot by location and time of year)
So in my case if I knew I wanted to replace 100AH a day, with panels lying flat, I would need 260w and I would get 112AH a day (in May at 49N)
Now I can decide whether to go with two 12v 130w panels and PWM (or even MPPT), or one 260w 24v panel and MPPT.
So if you know your daily AH usage when camping where and when, then you can take a WAG at the wattage needed to produce that many AH then and there (it varies a lot by location and time of year)
So in my case if I knew I wanted to replace 100AH a day, with panels lying flat, I would need 260w and I would get 112AH a day (in May at 49N)
Now I can decide whether to go with two 12v 130w panels and PWM (or even MPPT), or one 260w 24v panel and MPPT.
