[DisasterRadio] MPPT / Solar

samuk at disroot.org samuk at disroot.org
Thu Jan 16 09:50:36 PST 2020


Hi all 

I've been looking into solar a bit, in the process, I came across this MPPT: https://www.aliexpress.com/item/4000031728632.html

The 2.9v cutout should mean the battery lasts a reasonable timeframe.

This is the list of bit's I'm going to test for a solar node: 
https://my.aliexpress.com/wishlist/wish_list_product_list.htm?&currentGroupId=100000018985469&page=1

It comes to around $70 per node. It should only require a screwdriver to assemble. I'm estimating the battery has half it's stated capacity, but that should still be adequate. The 'oversized' 10w panel should work with the MPPT even on foggy/ cloudy days.

This is untested as yet, but I'll do some testing soon.

Thanks

Sam


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