墙绘

    When going out in extremely cold weather, try to fully charge your phone and reduce the running of power consuming programs such as playing games, watching movies, and listening to music. Keep your phone in a warm place such as a pocket or backpack, and make or receive calls using headphones. Try to avoid exposing your phone directly to cold air. Do not use your phone in low temperature environments for extended periods of time. After entering the room from the outside, leave the phone for a period of time and reuse it after the water mist evaporates.

    If a mobile phone experiences a permanent malfunction when used in a low-temperature environment, it may shut down and temporarily suspend use, and then allow the phone to adapt to a slightly higher temperature environment for a while, which will improve the situation.

    The working principle of lithium-ion batteries is to generate current by presenting a potential difference between positive and negative. The electrolyte moves relatively slowly in low-temperature environments, which affects the transfer activity of lithium ions between positive and negative, leading to a decrease in battery charging and discharging energy.

    Simply put, in a low-temperature environment, it's not that the lithium iron phosphate battery really runs out of battery, but rather that it has battery but cannot be released abnormally. According to analysis data, the capacity of individual lithium iron phosphate batteries will decrease by 20% at zero degrees Celsius, and when it reaches minus 10 degrees Celsius, the capacity may only be about half. The abnormal working range of most mobile phone batteries is between 0-35 degrees Celsius, and temperatures below or above this range may cause abnormalities.

    Low temperature is not good for lithium iron phosphate batteries. If combined with low battery capacity, the damage will be even worse. Therefore, Apple has added; Self maintenance; Mechanism - Encounter; Low low-temperature power consumption; Proactively shut down and reluctantly turn it on for use.

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