Posted by Noel on October 14, 2009, 0:49:46, in reply to "Not Excactly"
216.205.210.18
The 'control voltage' of a battery charger is typically the nominal voltage of the battery being charged. The idea is to only allow current to reach the cables unless there is a battery that needs to be charged present. It would be very easy to blow up the controls and the transformer, if the conditions are right, perhaps even start a fire.
I use a 36 volt Club Car golf cart to simplify my life at work. If for some reason the batteries voltage drops below 31.5 to 32 volts, the 36 volt charger will not pass current to the batteries. I have to charge two batteries at a time (two 6 volt DC batteries in series) manually with a 12 volt charger until the control voltage is matched or exceeded. I definately wouldn't want 36 volts arcing against
some stray piece of metal laying around.
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