kiekie1: Its always good to seek professional guidelines when going solar .. DIY is good but has its limitations especially for those who ain't technically inclined ! I actually started from a 20a pwm solar controller to a 40a mppt epsolar and advanced to 60a itracer mppt which takes cares of all basic loads in my house 24h/7days weekly .. Below is a short video clip on how my solar set-up trickle charges on a rainy day : solar is indeed unique & efficient