Okay I just started a timer!
Let’s see how far it gets!
UPDATE
It ran for 4 hours.
here is the battery i used:
I de-soldered the board with the power switch and usb port and then soldered from the bms board attached to the batteries to my digitakt in the same way others have above. I used longer black and red wires than the ones provided.
My digitakt has been working fine so far, and can be charged from the dc port whether the DT is on or off.
I have to check something with the memory though because i might have messed something up there. I’ll check back in