It’s got an internal inverter to power your AC devices, a Qi wireless charging coil, an adjustable DC output, displays for all relevant voltages, and naturally plenty of USB ports to charge your ...

This is how the feature works: some USB power banks turn themselves off unless they ... The NodeMCU boards in [PJ Allen]’s DIY remote use ESP-NOW for their wireless communications, a nifty ...

It also has a built-in USB-C connector that folds when not in use. Want to charge a second device? Or just use a cable instead? This power bank has another USB-C port on the side, so you can use ...