12V DeWalt Drill 20V Ni>>Li Battery Adapter

This adapter will allow you to take your old 12V DeWalt drill running off of Ni-Cd/Ni-MH batteries and convert it to operate off of lower costing, more efficient 20V DeWalt DCB series Lithium Ion batteries. A voltage regulator must be wired in to save the brushes in the 12V motor from their demise (Found here: https://www.amazon.com/gp/product/B08DHNFLP3/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1)

Replaces DeWalt DW9071 Battery and uses DeWalt DCB203/205/etc.

The locking tabs/clips, screws, and connector are all recycled from the original battery and used for this design. Basic soldering capabilities recommended. A basic assembly procedure document is included in the zip. The readme doc explains each STL.

Bill of Materials:
1x 3D printed “adapter”
1x 3D printed “spacer”
1x 3D printed “socket”
3x screws from original battery
2x tabs and spring clips from original battery
1x connector from original battery (removed from old cells)
2x blade-style terminal crimp-on connectors
1x Soldering iron and electrical solder
1x voltage regulator (Found here: )
1x multimeter
Some electrical tape
Some heat shrink (recommended but not necessary)
14-16 AWG wire (I used 12 AWG and it worked, but it was a bit cumbersome to work with and get to fit)

0.2mm layer height
5 base/top layers
3 line wall count
45%+ infill (gyroid)
Speed: 40-60mm/s
Supports: Touching build plate
* Support interface density: 5%
I printed with PLA, some scale tuning may be required if printed with PETG or ABS
Printed on Creality Ender 3 Mod