Ok. Impressive. I received a Heltec T114 #Meshtastic node (yes, the V2) yesterday, 3d printed a case [1], added a 2000 mAh battery, charged it and put it outside. This morning, 11 hours later, battery is at 89%. Wow. With my ESP32 based Heltec V3 boards it would be down to below 40% by now, based on my experience from the last 6 months.