https://devzone.nordicsemi.com/f/nordic-q-a/64605/how-to-read-the-voltage-of-li-po-batterywe make the tracking system. so, we want to measure the voltage of li-po battery (i am using nrf51 sensor tag with li-po battery), so, their is any circuitry or any API or function give me a voltage value.en-USTelligent Community 13Mon, 10 Aug 2020 08:09:36 GMThttps://devzone.nordicsemi.com/thread/263756?ContentTypeID=1Mon, 10 Aug 2020 08:09:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:474bd030-3190-4379-acc4-5441e9afac70Karl Ylvisaker<p>Hello,<br /><br />I see that you have tagged your post with both nRF51, nRF52840 and asset tracking ( nRF9160 ), but going by your text I will assume you mean nRF51.<br />As Patrick mentions, <a href="https://devzone.nordicsemi.com/search?q=nrf51%20battery%20measurement">there are multiple forum posts on this matter already</a>, such as <a href="https://devzone.nordicsemi.com/f/nordic-q-a/62571/nrf51822-adc-check-battery-level">this one</a>. Please have a read-through of these, and let me know if you should encounter any issues or questions.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/263678?ContentTypeID=1Fri, 07 Aug 2020 17:42:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1b94d7e9-16ba-4e00-a7fe-55afe9dbbb6fPatrick<p>Have you done a search yet? There are multiple solutions for this question on DevZone.</p><div style="clear:both;"></div>