It sounds like the device does not have an internal battery so it depends on the capacity of the battery that you attach to it. https://aws.amazon.com/snowcone

It sounds like the device does not have an internal battery so it depends on the capacity of the battery that you attach to it. https://aws.amazon.com/snowcone/features/ https://aws.amazon.com/snowcone/features/ > For a light workload at 25% CPU usage, the device can run on a 65 W battery for approximately 6 hours. The docs are a little inconsistent on wattage requirement. The feature page above says "60 W+ (20 V) USB-C power adapters", but in the docs: https://docs.aws.amazon.com/snowball/latest/snowcone-guide/snowcone-spec-requirements.html#snowcone-power-supply https://docs.aws.amazon.com/snowball/latest/snowcone-guide/s... > any USB-C power adapter that is rated for 45W+