When it comes to transferring electrons into a battery, cold weather is detrimental in two ways. It restricts regenerative braking, so the automobile recovers less power and drivers are unable to drive on one pedal.
Furthermore, charging, particularly quick charging, will be restricted to safeguard the battery. Experienced EV drivers are used to these peculiarities, but forums reveal that new EV purchasers are still having difficulty with them.
Modern vehicles are built with battery temperature management devices that warm or cool the battery.
However, since an internal combustion engine creates its heat, which heats the engine and the passengers, an Electric Vehicle must find warmth somewhere, either by scavenging the limited amount of heat produced by motors and inverters or by using a heater.