https://devzone.nordicsemi.com/f/nordic-q-a/9122/battery-service-doesn-t-provide-read-featureHi, it seems that the default implementation of the ble_bas (battery service) provides the notification feature but not the &quot;read&quot; feature. I client can enable notification to receive the battery level but can&#39;t send a read command to get batteryen-USTelligent Community 13Wed, 09 Sep 2015 01:28:17 GMThttps://devzone.nordicsemi.com/thread/33609?ContentTypeID=1Wed, 09 Sep 2015 01:28:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ae48b1ab-d4ca-493b-b037-82502d99c6bcRK<p>It absolutely supports the read feature, it only optionally supports notification. The readability is right there in the code</p> <pre><code>char_md.char_props.read = 1; char_md.char_props.notify = (p_bas-&gt;is_notification_supported) ? 1 : 0; </code></pre><div style="clear:both;"></div>