I have economy 10 tariff. I have cheaper/off peak rate at 4:30am - 7:30am, 13:30 - 16:30, 20:30 - 00:30.
Rates are 45p at peak and 14p off peak. I decide to get hypervolt charger because it allowed me to schedule charging.
Car is plugged all the time and charger only sending electricity in off...