[ausev] question about estimating charge level by voltage
sleeper02_14_06 at yahoo.com
Wed Oct 1 13:01:05 GMT 2008
I understand that a fully charged lead acid pack is 2.15 volts per cell or for my 48 volt stack full charge is about 51.6 volts I also understand that when the voltage gets to the nominal voltage of 48 volts it is about 50% gone and it is time to recharge.
What im not sure of is how long after applying load to the battries do you check the voltage to determine %charge left. For instance after driving all day the moment I stoped the voltage was 47.6, within a few minutes it was up to 49. Was I below 50% or in good shape?
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