Fourth: Some tricks to help rechargeable battery life extension of several years

6. Long-term preservation is not fully charged

If you want to keep your device for long periods of time, it's often the case that the device is fully charged, but I find that only about 50 percent of the power is consumed. Saving a battery in an uncharged state means that it does not need to be charged, and full power may shorten battery life. Long-term preservation of the battery is best close to room temperature environment, it should avoid to place the battery in a too low or too hot place. So the same as to preserve lifepo4 batteries, it's better at a room temperature.

7. Eventually difficult to escape death

In fact, no matter how hard you try to protect the battery, it is ultimately difficult to escape the fate of death. But do not worry about it, because most devices are cheap and simple to replace the battery.