1. Use it completely fully charged each time, reduce the number of charges and improve the battery life.
2. Don’t completely discharge the battery. Usually, the battery capacity is less than 10%.
3. Use the original charger to charge, and do not use universal charging.
4. Do not use your phone during charging.
5. Do not overcharge. Stop charging after the battery is fully charged.
Cycling is use. We are using the battery, and we care about the time of use. In order to measure how long it takes to use the rechargeable battery, the definition of the number of cycles is specified. The actual user usage varies greatly, because there is no comparison for experiments with different conditions. To have comparison, the definition of cycle life must be standardized.
The test conditions and requirements for the cycle life of lithium batteries specified by the national standard: charge at 1C under the ambient temperature of 20℃±5℃. When the battery terminal voltage reaches the charging limit voltage of 4.2V, change to constant voltage charging until the charging current is less than or equal to 1/20C. Stop charging and place aside for 0.5h~1h. Then discharge with 1C current to the termination voltage of 2.75V. After the discharge is over, place aside for 0.5h~1h, and then carry out the next charge and discharge cycle until the two consecutive discharge time is less than 36min. It is considered that the life ends and the number of cycles must be greater than 300 times.
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