With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
What kind of board would I need to use and charge 4 18650? I have a 3D printer and have already designed 18650 sleds so I don't need a case
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.