ATX POWER BANK Upgrade to 15V
This power band was built previously with standard 120W ATX PC power. No good result, as it was a cheap generic made by a NO BRAND, it only delivers 11V up to 2.5A
This time, I found a trashed Laptop Power adaptor, made a small upgrade
Take Off Everthing From Old ATX
As shown, the huge circuit of ATX power does very little compares to a 15V/5A power supply from a dead TOSHIBA laptop.
Get the DC-DC Ajustable Converter and Install
Here is a link of newer version of DC-DC converter with display, better than the one i used.
https://www.amazon.com/KNACRO-Converter-Regulated-...
easy as it should be, just remember to isolate the variable resister from the metal cabinet.
Finaly Can Drive a Wireless Drill?
The fact is, the power supply from TOSHIBA is good, delivers 15V/5A, enough to spin a Black & Decker drill directly, however when the drill gets some load, it rises up more than 6A, will stop the power supply, it turns OFF then On in 2", fine to protect the circuit, no need of a fan to keep it cool.
Enjoy my instructable, and make yours.