3 ms·

My car heats its battery below 60F, and it takes about 10 minutes.

• Dylan16807 4y ago
  A car needs to be ready to discharge at a much higher C than a house battery. So letting the house battery get a bit colder is fine.
  • wumpus 4y ago
    Many electric cars have limitations on acceleration when the battery is cold.
    • Dylan16807 4y ago
      Yes, I know. My whole point is that cars are more demanding than houses. So the house battery can tolerate a moderately lower temperature while meeting baseline performance.