Answer   a kilometer is 0.621371192 miles. Approx 5/8 of a mile equals one kilometer.   Answer   a kilometer is less than a mile.
freezing the battery at -40 Â°C temperatures does shorten battery life, but nothing else. The fridge is the best place to store li-ion batteries, and to cool them down; but sticking your laptop battery in the household freezer at -18 Â°C or so shouldn't damage it or shorten lifespan any. Combine Source(s):.
Battery capacity ratings. Putting batteries in the freezer or refrigerator doesn't prolong their life. It's best to recharge batteries slowly. Quick charging batteries will reduce their life. A battery with a capacity of 2,800 mAh can deliver a current of 2,800 mA for an hour.