It’s a system that works; you charge batteries with DC, and you don’t want ... s entry to the Hackaday Prize. It’s a USB 3.1 Type C to Type A adapter, but it also has the neat little bonus ...

But between freely sharing the STL for the 3D printed adapter ... new USB-C charger. While not strictly necessary, [Berry Berry Sneaky] recommends getting yourself a replacement DC input cable ...