AC power

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uhhmoney

Full Member
Aug 10, 2014
8
0
Virginia
So I've been interested in making an AC powered mod for couch potato evenings. It was silly to me that I had an outlet right near me yet I was burning through my batteries and wasting charge cycles at home. I get that having a tether is inconvenient on the mobility side, but like I said, this is for when I'm planted to the sofa. I'll warn you, this is an ugly first try but it was just a proof of concept, using what I had laying around, to see if it would even be worth doing neatly.

Here is what I used:
- cheap battery I found
- 3 feet of 20 gauge wire
- an old Zune charging cable
- 5v 2000mA usb charger

I gutted the battery, desoldered the circuit board from the head, connected wires to the contact points, passed the hot through the body, looped the ground out through the old button hole, interrupted it with a switch, and ran it back into the hole and down through the body. I located the hot and ground in the Zune cable, spliced the wires to the ones coming from the body of the gutted battery, wrapped the rig in duct tape, and plugged it up. The result was actually fantastic, it hits like a dream and produces absolutely perfect flavor and amount of vapor. I've tried it with a couple juices on a Protank 3 with 2.5ohm coils, and for how janky it is, I'm amazed at how it performs. It's hard to describe how it hits, all I can say is that it feels like constant, solid power delivery. Measuring at the head, it's at 4.9V/1990mA.

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gandymarsh

Ultra Member
ECF Veteran
Verified Member
May 11, 2014
2,598
5,003
WI, USA
According to the Ohm's Law Calculator Online Conversion - Ohm's Law Calculator your 1.5 ohm coil is trying to pull 3.3 amps from your 2 amp AC adapter. I think your AC adapter will burn out very quickly. I also use a homemade "passthrough" when I'm sitting in my chair but I'm using a 2.7 ohm coil on my Smok mini RDA which pulls just under 2 amps from my 2.1 amp AC adapter.
 

TheRac25

Senior Member
ECF Veteran
May 23, 2014
276
196
The tax farm known as USA.
According to the Ohm's Law Calculator Online Conversion - Ohm's Law Calculator your 1.5 ohm coil is trying to pull 3.3 amps from your 2 amp AC adapter. I think your AC adapter will burn out very quickly. I also use a homemade "passthrough" when I'm sitting in my chair but I'm using a 2.7 ohm coil on my Smok mini RDA which pulls just under 2 amps from my 2.1 amp AC adapter.

actualy, assuming the power supply has current limit capability, according to ohms law what would happen is the voltage will drop to 3 volts with a 1.5 ohm load
 
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