Hi everyone I have 2 6 volt in series us battery 1800 208 amp hrs. 7 month's old I put them on a 100 watt load for 7.5 hours voltage was down to 11.86. But my hydrometer says fully charged. I let them sit unhooked 12 hrs resting voltage was 12.06 by what i read 50% soc are my batteries toast.and my hydrometer bad also. Any help would be appreciated
Hydrometer reading high
Collapse
X
-
-
Have you used a thermometer and applied the temperature compensation to the SG reading ?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-Lister -
Last edited by Sunking; 12-02-2017, 01:49 PM.MSEE, PEComment
-
Comment
-
Comment
Comment