https://devzone.nordicsemi.com/f/nordic-q-a/59199/pca10059---read-battery-level-from-ble-event-beacon-advertiseHello, Im using pca10059 to scan for near beacons address and RSSI, but i also want to look for its battery level. (im using pca10056 to develop and debug) I&#39;ve found some posts here talking about checking its own battery, as a peripheral. But inen-USTelligent Community 13Wed, 18 Mar 2020 08:00:40 GMThttps://devzone.nordicsemi.com/thread/240342?ContentTypeID=1Wed, 18 Mar 2020 08:00:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ce83566-1ac5-4aee-801f-84a40601cabfSimonr<p>Hi</p> <p>Yes, this should be possible. You can add the battery level to the advertising data, and update the advertising data on each SAADC callback. Seeing as you already have quite a bit of data in your advertisement, you might have to add the battery service data in a scan response packet, as the advertising packet can only contain 31 bytes of data.&nbsp;</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/2023/advertising-battery-levels-on-a-beacon/8688#8688">This (rather old) example</a> already does this. It uses an app_timer to trigger a periodic timeout where it uses the ADC to measure the battery level and update the advertising data with the new battery values. You can use that as a guide.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>