How much power does a timer use?https://devzone.nordicsemi.com/f/nordic-q-a/12915/how-much-power-does-a-timer-useI am simulating button presses on a peripheral nRF51 device to determine average battery life. I send &quot;button state&quot; to central in a timer every 10s, with which I simulate 8640 button presses per day which is equal to a few months of usage in normal useen-USTelligent Community 13Fri, 01 Apr 2016 10:34:21 GMTRE: How much power does a timer use?https://devzone.nordicsemi.com/thread/49180?ContentTypeID=1Fri, 01 Apr 2016 10:34:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:eff3d334-6e8d-4353-8655-7bd063aad744Primož Kralj<p>Thanks for image Kristin! Will look into PS for more info.</p><div style="clear:both;"></div>RE: How much power does a timer use?https://devzone.nordicsemi.com/thread/49179?ContentTypeID=1Fri, 01 Apr 2016 09:23:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:55578de8-0050-4c3f-9a27-338cea034822FormerMember<p>The app_timer library uses RTC 1. The RTC is very power efficient, see the nRF51822 Product Specification, chapter 8.14:</p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/rtc.PNG" alt="image description" /></p><div style="clear:both;"></div>