What are the basic repair methods for common mobile phone lithium-ion batteries?

1. Use a clean eraser or other materials to gently wipe the metal contacts on the lithium-ion battery and the metal contacts on the mobile phone, which will help the charging status and the durability of the power. 2. Wrap the old cell phone lithium-ion battery that automatically shuts down with plastic wrap tightly, and just wrap it up when wrapping it. There are three layers inside and outside to ensure that the battery is in a vacuum state. Then, wrap three layers of newspaper outside the plastic wrap to completely seal the lithium-ion battery. Put it in the freezer layer of the refrigerator. After 48 hours, take out the battery and secretly replace the six-layer paper film wrapped around the outside. The lithium-ion battery did not swell or deform due to freezing. After cooling for a period of time, then charge. 3. Let the lithium ion battery close to the end of life completely discharge, and then recharge the battery to activate it. The detailed method is as follows: The enemy mobile phone conducts deep discharge, which is to reach a deeper level of recharging by depleting the internal electric energy. This requires recovery of some non-common methods. The manufacturer of Li-ion batteries reminded that the value of lithium-ion batteries is not too high. Instead of carrying out repairs of lithium-ion batteries, it is more convenient and cost-effective to purchase a new battery. In addition, cultivating brilliant usage habits is also a shortcut to delay the life of lithium-ion batteries. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Do you know how to care for lithium-ion batteries for electric vehicles?