Connect the Battery Cell Monitoring HUB to a +12VDC 24VDC or 48VDC power source
Verify that the red LED starts blinking –
2. The LED green light should be on - indicating a successful power connection.
3. Connect the Elara gateway to a +12V DC or 48V DC power source
https://galooli.atlassian.net/wiki/spaces/KP/pages/2643558401/Elara+Installation+and+Configuration#Power-%26-Connectivity