Charging rates
Granny charger
Also called Mode 2 cable · portable EV charging cable · three-pin charging cable
A granny charger is a portable Mode 2 EV charging cable that connects an electric vehicle to a standard domestic socket.
In the UK, Mode 2 charging from a BS 1363 socket usually operates at 10 A or less, which is roughly 2.3 kW at 230 V. The cable includes an in-cable control and protection device between the plug and the vehicle.
That equipment provides the control-pilot function and electrical protection required for Mode 2 charging. A normal household socket can be used only where the socket and installation are suitable for EV charging.
UK wiring guidance places additional requirements on socket-outlets intended for this use, so a granny charger should not be treated as a substitute for checking the electrical installation.
Read more EV charging connector types