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Of course, the alarm went off about 10 minutes after my last post. One of the cells shot up to 3.7V. I unplugged the charger and let the cells sit for about 1.5 hrs now. The cells voltage has settled all around 3.36V. According to Jack, a fully charged cell is around 3.35V. But, as Dan (priuschat member) mentioned to me in an email, resting voltage (as it is with lead acid) is very deceptive. You have to measure the voltage of a battery under load to get accurate readings on SOC.
So... now I need a load. I know mrbigh suggested a 240V heating element from a water heater. I don't have one handy unfortuantely. Suggestions? I need something that can run 240V DC or 48V DC.
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