@figjam For the time of year in black rock desert I calculated the recharge rate of my battery based on 'perfect conditions' and assuming these panels meet their rating. Using one of these arrays (45-watts output) would recharge your battery at approximately 16.5 Amphours per day. This means if I ne...

Great advice about the Costco battery! I'm in the market. I'm weary of any piece of equipment that I rely-on but only have one-of out on the playa, so good note about the controller. I guess I'll be researching a cheap controller backup for this next. Shine on!

Returning for my third burn this year and stepping up (ever so slightly) solar panel system. We've typically used all solar string lights in camp at night, but we wanted to beef up the lighting and also have the ability to recharge portables. A good deal ($159 versus $249 regular) on a 45 watt solar...