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Author Topic: Connecting a battery charger question  (Read 4630 times)

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Bigron

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Re: Connecting a battery charger question
« Reply #15 on: 27 April 2014, 16:38:30 »

What gave it away, Andy?!!
I used to be a Design Engineer for Plessey, then after other things ended up teaching Radio/Electronics at Chelmsford College. I also hold a Radio Amateur's licence, but not really active in that area these days.

Ron.

P.S. Please tell the Yank software designers who provided this site with its programme to stop giving me red wiggly underlines - I CAN spell licence; with a "c" when it is used as a noun! And programme, too......
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Andy A

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Re: Connecting a battery charger question
« Reply #16 on: 27 April 2014, 16:51:02 »

I also hold a Radio Amateur's licence, but not really been active for the past few years myself. Just in the process of connecting everything back up.  :y
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Bigron

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Re: Connecting a battery charger question
« Reply #17 on: 27 April 2014, 17:00:00 »

Andy, you didn't say what caused you to think I was into radio?
At the College, I had a 2 metre, 70cm and HF set up, with a dual-band colinear aerial way up on the roof of the main building (60 ft. high?) and a full-sized G5RV strung from that height above the Engineering block, so it got out well.
When I retired, they closed and demolished the entire Engineering section - not sure what they were trying to tell me, there!

Ron.   G8WSC
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Andy A

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Re: Connecting a battery charger question
« Reply #18 on: 27 April 2014, 19:01:45 »

Sorry Ron, what gave it away was the 13.8v combined with the 25Amp PSU. It just had to be something to do with radio.

Full size G5RV and a colinea at 60ft, very nice setup indeed. Can't think of a better way to relax when on your lunch break. What more could a person ask for.

Andy M1BEP
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robson

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Re: Connecting a battery charger question
« Reply #19 on: 27 April 2014, 19:39:07 »

Just to clarify would you connect the  negative of the power source to the car negative lead before disconnecting from the main battery and the positive from the power source to the positve of the main battery and then connect charger to main battery. I have a 12 volt golf battery which I assume I could use for this.
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Entwood

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Re: Connecting a battery charger question
« Reply #20 on: 27 April 2014, 19:44:58 »

Just to clarify would you connect the  negative of the power source to the car negative lead before disconnecting from the main battery and the positive from the power source to the positve of the main battery and then connect charger to main battery. I have a 12 volt golf battery which I assume I could use for this.

When I had to help out a neighbour with battery problems and no pass card i sinmply connected a spare battery, positive to the positive CABLE and negative to the large bolt on the chassis that an earth strap was bolted on with .. then carefully undo the positive terminal making sure the cable and the spare remain connected at all times, but go no-where near the body !!! then undo the negative and remove the battery.... works every time ..  :)  or if you wish to leave the battery in position don't bother messing with the negative at all .. just connect the charger directly to the battery
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