I am thinking of running a quantity of six 12 volt batteries in an off grid system...would it be more beneficial to run twelve 6 volt batteries paralleled? what would the pros and cons of each set-up be if there are any?
6 volt vs 12 volt batteries
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6 batteries in parallel is an absolute no no. They guys have explained it many times so if you look at various threads you will probably find information on it.[SIGPIC][/SIGPIC] -
as was said, 6 parallel batteries will be a poor choice. here's the math:
Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-ListerComment
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you need to figure out the amp hours you need to run your loads, then you can look for batteries that will give you the required Ah in one series string.1150W, Midnite Classic 200, Cotek PSW, 8 T-605sComment
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