8000 Lumen LED Dewalt Flashlight Mod
by Ryan Depace in Workshop > Lighting
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8000 Lumen LED Dewalt Flashlight Mod
![2014-05-26 14.47.55.jpg](/proxy/?url=https://content.instructables.com/F3T/2C87/HVNXS4FL/F3T2C87HVNXS4FL.jpg&filename=2014-05-26 14.47.55.jpg)
This instrucable will show you how to modify a Dewalt 18v incandescent cordless light. The modification entails adding a 18V to 35V dc/dc step-up converter and a 8000 lumen LED.
Materials
Tools
Drill
Dremel with cutting tool - To check out my homemade All purpose Dremel blade click HERE
Soldering Iron and solder
Wire Strippers
Skrew Driver - Flat head and torx
DMM - Digital Multimeter
Materials
100W - 8000 lumen LED - Ebay
18V - 35V dc/dc step-up Converter 150W
Dewalt 18V cordless Light
Thermal Compound
Disassembly
![2014-05-26 10.14.21.jpg](/proxy/?url=https://content.instructables.com/FWO/CZ9V/HVNXS49K/FWOCZ9VHVNXS49K.jpg&filename=2014-05-26 10.14.21.jpg)
- First take the battery out of the light to be safe
- Take the two torx screws out from the light head. The top torx screw has a pin in the middle which can be snapped off using pressure and a small flat head screwdriver if you don't have the right bit.
- Unscrew the lens
Mounting the Dc/dc Converter and LED
![2014-05-26 14.09.52.jpg](/proxy/?url=https://content.instructables.com/FLW/APJN/HVNXS4CC/FLWAPJNHVNXS4CC.jpg&filename=2014-05-26 14.09.52.jpg)
![2014-05-26 14.09.14.jpg](/proxy/?url=https://content.instructables.com/FLC/Z391/HVNXS4C7/FLCZ391HVNXS4C7.jpg&filename=2014-05-26 14.09.14.jpg)
![2014-05-26 14.09.47.jpg](/proxy/?url=https://content.instructables.com/FVZ/BUHL/HVNXS4CB/FVZBUHLHVNXS4CB.jpg&filename=2014-05-26 14.09.47.jpg)
- Drill a hole in the top of the Light this is used to feed wires into the light.
- Solder the LED onto the output wires coming from the converter. Make sure the polarity is correct on the LED.
Shaping the Heatsink
![2014-05-26 14.10.47.jpg](/proxy/?url=https://content.instructables.com/FS0/SK3P/HVNXS4CZ/FS0SK3PHVNXS4CZ.jpg&filename=2014-05-26 14.10.47.jpg)
![2014-05-26 14.10.40.jpg](/proxy/?url=https://content.instructables.com/FMJ/EFJ8/HVNXS4CV/FMJEFJ8HVNXS4CV.jpg&filename=2014-05-26 14.10.40.jpg)
![2014-05-26 14.10.34.jpg](/proxy/?url=https://content.instructables.com/FCJ/DCCD/HVNXS4CG/FCJDCCDHVNXS4CG.jpg&filename=2014-05-26 14.10.34.jpg)
This LED gets extremly hot! Be carful!
- Cut, Grind, File the heat sink to fit inside of the light housing
Putting It All Back
![2014-05-26 14.11.21.jpg](/proxy/?url=https://content.instructables.com/F5B/ZE3M/HVNXS4D2/F5BZE3MHVNXS4D2.jpg&filename=2014-05-26 14.11.21.jpg)
![2014-05-26 14.47.46.jpg](/proxy/?url=https://content.instructables.com/FIH/AR12/HVNXS4DB/FIHAR12HVNXS4DB.jpg&filename=2014-05-26 14.47.46.jpg)
- Once the heat sink is shaped to fit inside the housing, use thermal compound to adhere to the LED. This helps transfer the heat away from the LED.
- Screw the side covers together
Fitting the Lens
![2014-05-26 14.12.14.jpg](/proxy/?url=https://content.instructables.com/FY7/NRXY/HVNXS4D6/FY7NRXYHVNXS4D6.jpg&filename=2014-05-26 14.12.14.jpg)
![2014-05-26 14.49.59.jpg](/proxy/?url=https://content.instructables.com/F0W/J9PZ/HVNXS4HW/F0WJ9PZHVNXS4HW.jpg&filename=2014-05-26 14.49.59.jpg)
- Cut the Lens using a Band saw or Grinder
- Screw the lens on to tighten the LED
The Video
![8000 Lumen LED flashlight](/proxy/?url=https://content.instructables.com/FTH/PL4E/HVPVSP7M/FTHPL4EHVPVSP7M.jpg&filename=8000 Lumen LED flashlight)