What is the idle power consumption of the JuiceBox?
Approximate idle power consumption of the JuiceBox is about 2.4 W, equal to about 2 kWh/month. If you pay € 0.30 per kWh, it would cost an additional € 0.60 to keep your JuiceBox plugged in and transmitting.
This definition considers the idle state as being when the unit is not outputting power / charging a vehicle, but is powered on.