https://devzone.nordicsemi.com/f/nordic-q-a/66039/power-nrf52840-dongle-with-diodeHi, Im currently wondering how I would power the nRF52 dongle with a 3.85 Liion battery the best way. Voltage range will be between 2.5v and 4.2v. I read you can use VDDH, but I cannot find the VDDH pin on the dongle, Im not sure how I would do thaten-USTelligent Community 13Thu, 17 Sep 2020 12:49:52 GMThttps://devzone.nordicsemi.com/thread/270098?ContentTypeID=1Thu, 17 Sep 2020 12:49:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c1598c0-b0f8-48d8-acdb-f546984f4b6eawneil[quote userid="75146" url="~/f/nordic-q-a/66039/power-nrf52840-dongle-with-diode"]I cannot find the VDDH pin on the dongle, Im not sure how I would do that[/quote] <p>look at the schematics and PCB layout - they are available on the Dongle&#39;s Product Page:</p> <p><a href="https://www.nordicsemi.com/Software-and-tools/Development-Kits/nRF52840-Dongle/Download#infotabs" rel="noopener noreferrer" target="_blank">https://www.nordicsemi.com/Software-and-tools/Development-Kits/nRF52840-Dongle/Download#infotabs</a></p><div style="clear:both;"></div>