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RDMueller's avatar
RDMueller
Explorer
Sep 27, 2015

Finally bought a battery hydrometer, need help with results

I have read repeatedly here how you need a hydrometer if you want to really know the SOC of a battery. This was clearly confirmed with the results I got... Battery is a new, never used Interstate g...
red31's avatar
red31
Explorer
Sep 27, 2015
hydrometer like this http://www.amazon.com/dp/B00NCWA3XC?psc=1

New energizer by JCI, same maker as 12v interstate. mid 70F

OCV 12.6 or better, been too long ago, sg at white/green interface ~1.25 +/-, all same

Hooked to ole fashion battery charger overnight, 15.3v low current, small bubbles, sg low green 1.29?.

Solar over winter, sg stayed same. sold trailer/battery.

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