> What are the costs to add a USB PD module to an electronic device? https://hackaday.com/2021/04/21/easy-usb%E2%80%91c-power-for...
> - [ ] Create an industry standard interface for charging and using [power tool,] battery packs; and adapters
From "Zero energy ready homes are coming" https://news.ycombinator.com/item?id=35065366 :
# USB power specs (DC) 7.5w = 1.5amp * 5volts # USB 15w = 3a * 5v # USB-C 100w = 5a * 20v # USB-C PD 240w = 5a * 48v # USB-C PD 3.1