Wir empfehlen hierzu das sehenswerte Video vom "guy with the swiss accent":

Link to CubeCell

Sleep current 3.5uA. If communicate with a LoRa Gateway every 15 minutes through the LoRaWAN protocol, an 80mAh lithium battery can work for three months. If use a 1200mAh lithium battery, the working time will be more than 3 years!