jim ward wrote:Mahalo Eric,
Yes living off grid has been a learning experience. I have an outback system as well, but it turns out my charge controller wasn't tracking the panels correctly....I've now added a second charge controller and 9 more panels ( total 24 now)
My hope is that I can now truly charge my bank to 100% I too check the specific gravity and regardless of what the mate was telling me, they weren't getting to 100% Now my tired abused bank is fully charged by the afternoon ( but it's not holding the charge well at all).
I've ordered 16 Surette Rolls S550 6v 428 AH batteries and I'm going to limp along until they arrive. If I could get a forklift battery on to my property here in Hawaii I would do it, but the weight makes it cost prohibitive ( I'm picking up my Rolls 8 at a time from the harbor here). I'm going to go one more round of lead acid, and then see if Lithium ion phosphate become cheaper and more tried and true for off grid application.
All the best
jim ward wrote:UPDATE TO BATTERY SAGA,
Well it appears the semi truck carrying my batteries from Canada to shipping point in California was stolen over the holiday weekend. As I can't wait another 4 weeks to have storage I ordered 3 Simpliphi 3.4KW 48v 67ah lithiumferrousPhosphate batteries that will be here next week. The cost was considerably more ($7800) for the same 10.2 KWH of the lead acid, but these are warrantied for 10 years, and apparently if I keep at a daily 80% DOD they will go 15-20 years. Big leap of faith here but it's nice they're non toxic, don't need watering, equalization etc.
A day job? In an office? My worst nightmare! Comfort me tiny ad!
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