Eli5: Why does putting dead batteries in the freezer make them last longer but my phone dies in the cold?

Question

Eli5: Why does putting dead batteries in the freezer make them last longer but my phone dies in the cold?

In: 4

Answer 1

Because batteries rely on a chemical reaction to create current. Storing batteries in the cold slows down the chemical reaction when they’re not in use making them last longer. You don’t want to slow down them chemical reaction when you’re using the battery.