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A Motorist Tested How Tesla Model 3 Behaved After 10 Days In Cold

A motorist left the Tesla Model 3 motionless in frost within 10 days to check the battery behavior.  

YouTube blogger Tesla Jo published a video of her own experiment with the Tesla Model 3. This woman left her car parked in the cold for 10 days without recharging.

We already know that when actively used, fully charged electric cars can lose up to 20% driving range.

The test proved that when the Tesla Model 3 just stood without moving, the battery charge dropped slightly – only by 1.8% per day. That is, for 10 days, this figure will be 18%.

Batteries for EVs, like people, do not tolerate cold weather. They like temperatures from 60 to 80 degrees Fahrenheit (15.5 to 26.6°C). When the temperature drops, electrolyte fluid inside the battery cells becomes more “sluggish”, according to the University of Michigan study in power engineering.

Any vehicle loses its efficiency in cold weather. Of fossil fuel cars, gas-fueled ones suffer most (loss from 12%). However, the electric cars are the most affected of all.

Battery energy may be partially unavailable if the battery is too cold. In this case pre-heating the cabin can help. You also need to prevent the battery from discharging below 20% and, if possible, charge the electric vehicle in a warm room (garage, underground parking), and not outdoors.

Nowadays engineers look for the ways to solve this problem. One of such ways is the use of solid state batteries (still too expensive), which are not so exposed to temperatures, in contrast to the current lithium-ion batteries.

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