Originally Posted by buddyu
Ran the generator today for about 6 - 7 hours and got a charge on them.
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Do this for peace of mind; buy a battery hydrometer, they are about $8-12 bucks and check each batteries cell. That will give you an idea on your batteries current state, after fully charging them up. I say this because when you killed them, they took a decent punch, but if they weren't discharged for too long a period, you have a greater chance of getting them back, to a state of charge where you feel confident in their reserve capacity, a hydrometer will give you that information. Just sayin'