pianotuna wrote:
Hi,
Roll your own is almost always cheaper.
MPPT is overkill on a 200 watt system that has nominally 12 volt panels. Look at the Grape 40 amp controller at Home Depot. (Don't get me wrong, the Victron is a heck of a good controller).
http://www.solarblvd.com/ has better prices than the Windy Nation kit (but does not include the frame).
For my detailed thoughts on solar surf here:
https://freecampsites.net/adding-solar/
Is it overkill if I will be adding 2 more panels eventually? I want the system to be expandable.