Faulty lithium batteries are difficult to restore. This is a method I have seen online and has also been shown on the CCTV news channel. You might as well try it: wrap the lithium battery in several layers of newspaper (to avoid humidity) and put it in the freezer of the refrigerator for two or three. three days. After removing it, leave it at room temperature for another two days. Then charge and discharge for three cycles. It is said that a certain capacity can be restored.
How to restore the capacity of 18650 lithium battery
Introduction How to restore 18650 lithium battery It is difficult to restore a lithium battery whose capacity has expired. This is a method I have seen online and has also been shown on the CCTV news channel. Might as well try it: using newspapers to clean lithium bat