The service life of a 9V lithium battery mainly depends on its number of charge and discharge cycles and storage conditions.
The capacity of a 9V lithium battery can reach 1200mAh, with a shelf life of over ten years at room temperature and an annual self discharge of less than 2%. Its service life can usually reach 500-1000 charge and discharge cycles, which is equivalent to 2-4 years of usage time. However, the actual service life may vary due to individual differences and different usage conditions.
To extend the service life of 9V lithium batteries, the following measures can be taken:
Regular charging: For lithium batteries that are not used for a long time, they should be charged regularly, such as every half month.
Avoid overcharging: After fully charged, the charger should be removed in a timely manner to avoid overcharging.
Avoid high temperature environment: When charging, it should be placed in a cool and ventilated place to avoid high temperature environment.
Avoid external compression: During use, avoid external compression and use the original charger.