Which is the better deal? Solar Panel
Which is the better deal? Grape Solar 100 watt poly vs 160 watt mono. Different warranties. http://www.homedepot.com/p/Grape-Solar-100-Watt-Polycrystalline-Solar-Panel-for-RV-s-Boats-and-12-Volt-Sy...
Forum Discussion
Curious why a few posters seem to prefer poly panels. Mono panels run at least 2% more efficient.
