We have been doing more tests on the Swarm pico-sat coms with a view to using their system in Iceland.
This graph shows the temperature measurements during 6 days – showing the solar panel charging. On average the modem used 52mA but the battery was providing more like 120mA due to the LEDs and feather board.
![](https://glacsweb.org/wp-content/uploads/2021/12/voltages-1024x649.jpg)
![](https://glacsweb.org/wp-content/uploads/2021/12/predictions.gif)