The Small Tactical Universal Battery (STUB) is compliant with the Universal Serial Bus (USB) Power Delivery (PD) specification. You may download the most recent USB PD specification from the USB website below.
Link to USB Power Delivery specification: https://www.usb.org/document-library/usb-power-delivery
An Interface Control Document (ICD) has been written for STUB to explain how STUB uses standard and custom USB PD messages. The software ICD can be downloaded from the vendor, EXO Charge, on their website below.
Link to STUB ICDs: https://exocharge.com/products/stub
Scroll down to the bottom of the page and click “REQUEST ACCESS” to make an account with EXO Charge. Once you have an account, log in to gain access to the technical documentation listed.
