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):.
If youâre going to be storing a rechargeable battery, store it at the 40 percent state-of-charge (SoC), and then recharge / discharge back to the 40 percent state-of-charge (SoC) every month to keep the internal batteries in good condition. Store batteries just below room temperature, more specifically at 59Â°F.