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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Oct 02, 2013

12 Volt PWM Type Panel THE MOST BANG FOR THE BUCK?

In this case MPPT does not exist. So deal with 12 volt PWM rated panels. Is there a panel out there with the best bang for the buck? Maybe 7 to 9 amperes maybe more? San Diego area. Shipping can be...
CA_Traveler's avatar
CA_Traveler
Explorer III
Oct 03, 2013
So wrote:
Grape Solar GS-S-250-Fab5 250-Watt

It is 37 Voc but many 12v PWM controllers will handle the higher Voc. Personally, I prefer MPPT. Thru Amazon w/free shipping, it equates to $1.50/watt.

Specs: http://www.grapesolar.com/files/3113/3789/6931/GS-S-250-Fab5_Rev-2.pdf
But for $1/W he can get the SolarBlvd 12V 140W panel and have more power with a smaller footprint on his PWM controller.

BTW Solar Blvd has a 270W panel for $202 plus shipping. Why use Amazon?

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