DYMOND SUPER TURBO on 75 AMPS?!?! WILL I FRY MY CHARGER? - RC Groups
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Apr 11, 2003, 06:39 PM
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mike98624's Avatar

DYMOND SUPER TURBO on 75 AMPS?!?! WILL I FRY MY CHARGER?


Hey everyone,
I just recieved a 75 amp AC to DC power supply from my uncle who is a surplus dealer in Vermont. The Dymond Super Turbo charger manual says that it will take input voltages of 7 amps and up. will it take 75 amps or will i kill it as soon as i plug it in? thanx!

mike
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Apr 11, 2003, 07:34 PM
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Re: DYMOND SUPER TURBO on 75 AMPS?!?! WILL I FRY MY CHARGER?


Quote:
Originally posted by mike98624
Hey everyone,
I just recieved a 75 amp AC to DC power supply from my uncle who is a surplus dealer in Vermont. The Dymond Super Turbo charger manual says that it will take input voltages of 7 amps and up. will it take 75 amps or will i kill it as soon as i plug it in? thanx!

mike
The Dymond Super Turbo Charger specs say that it needs an input voltage between 9 and 14 volts. You didn't say what voltage your 75 amp power supply is but if I had to guess I'd say it was 12 volts. In your case this is what you really need to worry about, not the amps. As long as the power supply's voltage is within the 9 to 14 volt range required by your charger it will work just fine. There won't be any danger of overload. When it comes to amps, the charger could overload the power supply, but not vice versa. The power supply's 75 amps is just something that's available if it's needed by whatever device is drawing power from it.

The web site doesn't say how much current the charger requires, but since it charges at 5 amps maximum, it probably doesn't draw more than 10 to 20 amps at the most, and that would be only when charging extremely large numbers of cells at once. In any event your power supply will have way more current capability than you'll need, which is perfectly okay.

The big danger is in making sure that everything is hooked up properly. If you make a mistake, that 75 amp power supply is capable of putting on quite a fireworks display.
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Apr 11, 2003, 07:35 PM
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mike98624's Avatar
it is a todd engineering 75 amp. model PC75B. serial # 75B20604355 just in case that helps. i couldn't find any info on it but maybe someone knows about it...

mike
Apr 11, 2003, 08:19 PM
Frequent flyer
todd engineering is no longer around, but they made some really great power supplies used by hams. Wouldn't hurt to verify the voltage with a meter before hooking it up.
Apr 11, 2003, 08:19 PM
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mike98624's Avatar
the output is 13.14 v. (measured w/ digital voltmeter). not going to measure the amps with any ampmeter i have (they are all too low on capacity). so i guess i will go check it out... i will report back l8er. figuring out how to hook it up is easy, red=positive white=negative green=chassis ground.

mike
Apr 11, 2003, 09:50 PM
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Mark Wood's Avatar
What it means is that the PS is capable of supplying 75 amps. Your charger will only load up to 7. Volts sound fine. Plug in and go.

YMMV

mw
Apr 11, 2003, 09:58 PM
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mike98624's Avatar
i just tried it and... SUCCESS! it works great! i had checked the output amps when i first got it in comparison to the readings on the screen, and they were a little low in reality. now they are exact! its great! thanx for all the help guys. no more constantly recharging lead acids so i can charge yet more batteries off that!

mike
Apr 11, 2003, 10:06 PM
Tacoma, WA, USA
William A's Avatar
Couple of welding leads and you got yourself a pretty versatile machine.
Apr 12, 2003, 01:15 PM
Dimension Engineering
That brings up a fairly interesting qustion. I have a 155 amp MIG welder. If i plug it into my charger, will it fry?
Apr 12, 2003, 02:50 PM
Tacoma, WA, USA
William A's Avatar
Quote:
Originally posted by Comatose
will it fry?
Not just fry, but also pop, sizzle, smoke, poof and maybe even a little dance.
Apr 12, 2003, 03:23 PM
Space Coast USA
hoppy's Avatar
You probably have a 200A supply for your house. Are you worried about plugging your 60W tablelamp into that 200A source? BUT, there is one thing I would do!!! Put a 10A fuse in one of the leads from your power supply to your charger. If you do have a short in your charger, you wouldn't want to dump 75A into it. On the other hand, some of these high quality ham radio power supplies have a dial for limiting the A output....you just dial the max amps you want the power supply to deliver.
hoppy