The weather has suddenly turned cold these days. Last night, the mobile phone still had 90% power, and this morning it was only 4%. Why? someone

Many people on the internet have responded to this question, saying that it is cold and the power outage is fast. It is certain that the battery capacity will decrease when it is cold. This is not only true for mobile phone batteries, but also for lead-acid batteries of automobiles, electric tricycles and electric motorcycles, which greatly shortens the time required for full charging at low temperature.