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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Starting at 13.5 voltsPosted by rickmcinnis on: 9/13/2022
I was using a DeWalt charger that would take the batteries to 14.something which of course fell quickly when the amps were turned on.  That one was a 30 amps charger the one I am using now is rated at 55 amps and goes through three modes of charging finishing with a maintenance mode which never turns off.  The DeWalt would turn off for some unknown reason in maintenance mode.
The charger seems to have been made for use such as mine.   It looks like  a serious piece of gear and not something prettified for the consumer market.  I can ask them if it is possible to raise the charging voltage but I got the feeling that 13.5 is a good charging voltage.  I am confident the charger is not the problem (famous last words!).  Confidence can get one in lots of trouble.
I got the batteries from AMAZON and it looked like they simply dropped them off of the back of the truck.  The packing was very good and there was no damage to the appearance of the battery's cases or the packing material - one would not think that internal damage had occurred but I have no way to know about that.  Obviously one of them is working correctly!
If one of the batteries is not doing its share of the work that could explain what seems to be a serious difference between claimed and actual capacity.  The more I look around the more I am concerned I have a bad battery.
Thanks, Paul, for the dialogue.

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