I recently picked up an Elektron Model:Cycles and I’ve been pretty impressed with it. One thing that didn’t fully come across from photos and YouTube videos is that this thing is pretty small and light! It immediately made me want their (possibly vaporware?) battery pack handle. But in the meantime that DC power port is right there, why not just use your own battery?

You probably have a USB battery pack lying around, but what cable do you need to hook it up? I AM HERE TO HELP YOU, FUTURE GOOGLER. Just buy this one: Onite USB to DC Cable (DC4+1).