https://devzone.nordicsemi.com/f/nordic-q-a/12668/about-a-question-of-battery-poweredHello! I want to add the battery services in my nRF51822 project for getting the message of battery. Is there need battery-powered? But,I am sorry to see that the led which represent advertising is not work when I use a battery . Is there any otheren-USTelligent Community 13Mon, 21 Mar 2016 16:59:57 GMThttps://devzone.nordicsemi.com/thread/48135?ContentTypeID=1Mon, 21 Mar 2016 16:59:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7056c4bf-7360-428c-920d-ab8196ef0acbStefan Birnir Sverrisson<p>Hi</p> <p>If you look at i.e. the ble_app_bps example in the nRF51 SDK you will find it implements a battery service. If you run the example, connect with a peer and enable services you will see the battery value periodically update. The values are simulated in the ble_app_bps example, to add actual battery monitoring, you will need to add <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk51.v10.0.0/nrf_dev_adc_example.html?cp=4_0_1_4_5_0">ADC functionality</a> into your application, or similar.</p> <p>Powering the nRF51-DK should work equally well when powered by USB or battery. Make sure the positive side of the battery matches with the nRF51-DK. Also make sure your battery is not empty.</p><div style="clear:both;"></div>