https://devzone.nordicsemi.com/f/nordic-q-a/89013/nrf52840dk-high-current-consumption-when-using-lipo-as-power-sourceIm building a wireless sensor network for farming applications and the issue I face is that when I supply the nrf52840dk from the external supply pins (P21) I get like 25μA mean current consumption. If I supply the board from the lipo connector with aen-USTelligent Community 13Thu, 16 Jun 2022 12:29:01 GMThttps://devzone.nordicsemi.com/thread/372810?ContentTypeID=1Thu, 16 Jun 2022 12:29:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:56822d67-1d6f-41eb-8b80-c1000b389c24Jared<p>Hi,</p> [quote user=""]Im thinking that the regulators used to regulate the battery voltage draw this kind of extra power.[/quote] <p>Yes, most likely it&#39;s due to the onboard high voltage regulator. The external supply is not regulated, while the supply from the LiPo is. See <a href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/dk/vdd_power_sources.html?cp=4_0_4_7_2_1">this</a>, and <a href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/dk/power_source.html?cp=4_0_4_7_2_3">this</a>.</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>