Re: charging 6 volt battery

Posted by Steve - IN on November 07, 2003 at 05:30:26 from (12.222.30.13):

In Reply to: charging 6 volt battery posted by Nebraska Cowman on November 07, 2003 at 04:52:59:

Nebraska Cowman,

First problem I see is the resistor you use for the coil may not be able to handle the current the battery wants.

Take a look at the power rating on the side of the resistor. It'll probably be somewhere from 25 to 40 Watts. If your 12V charger does 6 amps, that's 72 watts! - and gets worse if it's putting out 8, 10 or 12 amps. That resistor is going to get real hot, and eventually fail.

If you have one of the chargers with a low setting, ~2amp switch, you could do it without killing the resistor.

I've been charging my 6V with a variable power supply - 6.5V @ 2 amps for about a day - seems to work well, as it's about a 50aH battery.

Follow Ups:

• Re: Re: charging 6 volt battery Gary_N_WV 06:15:23 11/07/03 (1)
  • Re: Re: Re: charging 6 volt battery Bob M 06:41:04 11/07/03 (0)

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