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1. After using up all your 18650 lithium-ion batteries, remove them and solve the problem with temperature. The battery will greatly shorten its usage time in unstable temperature conditions because the battery is dead and a considerable amount of lithium ions already have memory charge. This method can release some of the memory charge. When winter comes, leave it outside for a while and then go inside.
2. There is another way, remove the battery, let it sit for about a week, and slowly consume the electricity. First, use the machine to completely consume the electricity. Then fully charge again. It is estimated that your charging time this morning will be very short. After fully charging, disconnect and recharge again, repeat several times, and it will definitely be effective.
3. Using a clean eraser or other material cleaning tool to gently wipe the metal contacts on lithium-ion batteries and mobile phones can help improve charging conditions and ensure long-lasting power.
4. Thoroughly discharge the nearly scrapped 18650 lithium-ion battery and then recharge to activate the battery. The detailed method is to perform deep discharge on the mobile phone, which is to achieve a deeper level of recharging by exhausting the internal electrical energy. This requires some unconventional methods. Connect a mobile phone to a low-voltage light bulb using a specific device, and the battery's internal power will be transferred to the light bulb until it is fully illuminated.
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