Need a circuit designed-18v battery, to power 12v circuit
#1
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Location: Illinois, RT 66 dragway area
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Need a circuit designed-18v battery, to power 12v circuit
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I can build anything if I know the parts. Can't remember a safe way to drop down a dc circuit. I need it to fit into a 3" x 3" compartment, if possible.
I want to use a 18v drill battery to power a 12v light bulb. It's a trick a bunch of the big guys use. I tried running it from the battery and already burned up 2 bulbs. Thanks guys.
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I can build anything if I know the parts. Can't remember a safe way to drop down a dc circuit. I need it to fit into a 3" x 3" compartment, if possible.
I want to use a 18v drill battery to power a 12v light bulb. It's a trick a bunch of the big guys use. I tried running it from the battery and already burned up 2 bulbs. Thanks guys.
.
#3
6 & 8 Second Club
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Join Date: Aug 2006
Location: Illinois, RT 66 dragway area
Posts: 2,284
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Thank you, I will try to get to radio shack asap.
The problem is I'm trying to see in the car at night. When the main power is off then what do I do. So I have an old cheap 18v tool set. I was taking an idea the pro's use for powering stuff with drill batteries. The problem is the company is gone and I can't find 18v bulbs. I made some 12v bulbs fit, but they burn out after ~10 minutes. If I get the circuit to work well, I may use it for other stuff. I might have to break down & buy some 12v drill batteries, if I can't make it work. I was just trying to use the old 18v set I already have, just being cheap.
Thanks again.
.
Thank you, I will try to get to radio shack asap.
The problem is I'm trying to see in the car at night. When the main power is off then what do I do. So I have an old cheap 18v tool set. I was taking an idea the pro's use for powering stuff with drill batteries. The problem is the company is gone and I can't find 18v bulbs. I made some 12v bulbs fit, but they burn out after ~10 minutes. If I get the circuit to work well, I may use it for other stuff. I might have to break down & buy some 12v drill batteries, if I can't make it work. I was just trying to use the old 18v set I already have, just being cheap.
Thanks again.
.