The 23-foot Airstream International parked on a cold January day near Enterprise, Nevada

Battery care

Win back the range cold weather steals

Cold can shave 20 to 30 percent off an EV’s range, between a sluggish battery and the cabin heater pulling hard. You cannot beat physics, but a few habits claw a lot of it back.

Heat on shore power, not on the battery

  • Precondition while plugged in Warm the cabin and the battery while the car is still on the charger or shore power, so the energy comes from the grid instead of your range. Leave with a warm pack and a warm cabin and the first miles cost far less.
  • Heat the seats, not the air Seated and steering-wheel heat use a fraction of the energy of blasting the cabin furnace. Dress for it and let the resistive heat work on you, not the whole interior.

Plan for the slower day

  • Pad range and charge time Plan around 25 percent less range than the sticker in the cold, and give yourself a little more arrival margin than your usual thin towing leg, since range reads jumpy and fast charging is slower when it is freezing. A 30 minute stop can become 40 plus. Build in the buffer.

Helps to have on board

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