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Common mobile phone charging misunderstanding
Sep 21, 2018

1. Does the new battery need to be fully charged and discharged several times to activate? Different battery products require different methods to charge, and must be used according to the product instructions. Early nickel-cadmium and nickel-hydrogen batteries required similar "activation." These batteries produce a "memory effect" that can be charged in an incompletely discharged state, which can easily overcharge the battery. Over time, the user feels that the power is running out quickly.

Positive solution: Most of the batteries used in mobile phones and laptops are lithium-ion batteries. Its initialization process is done at the time of manufacture, so no activation is required when starting to use.

2, reduce the number of charging can extend battery life? Generally, the life of a lithium-ion battery can reach several hundred charge-discharge cycles. The charge-discharge cycle here refers to the process of charging the battery after it is used up, instead of plugging in the charger and then unplugging it once. Lithium batteries have no memory effect and can be recharged at any time. In order to reduce the number of times of charging, the battery is depleted and then fully charged. This does not extend the battery life, but has a negative impact on the battery life.

Positive solution: In fact, lithium battery charging pays attention to "less meals", frequent shallow charge and discharge is more helpful to extend its life.

3. Overcharge can cause the battery to explode? There are rumors that the phone will cause an explosion when the phone is charging. Experts say that this argument is untenable. If there is such a danger, the product will set up a program that does not access the phone when charging.

Positive solution: Lithium batteries generally have safety protection circuits and various safety devices to ensure that the battery circuit is automatically cut off during overcharge, discharge and short circuit. Therefore, unless there is a quality problem, the battery will not explode due to long-term charging. However, not fully unplugging the power supply after the battery is fully charged will keep the battery fully charged. Although it will not explode, it will speed up the loss of battery capacity.

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