Sihai network: with the use of mobile phones becoming more and more intelligent, the battery life of mobile phones is also getting worse and worse. Mobile phones need to be recharged many times a day. Generally, the life span of lithium-ion battery can reach hundreds of charge discharge cycles. The charge discharge cycle here refers to the process of recharging after the electricity is used up, rather than plugging in the charger and unplugging it once. Lithium battery has no memory effect and can be charged at any time.
On the misunderstanding of mobile phone charging and the correct charging method
What are the common misunderstandings about mobile phone charging
1. How many times does the new battery need to be fully charged and discharged to activate?
Different battery products need 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 will produce a 'memory effect', charging in the state of incomplete discharge, which is easy to overcharge the battery, and users will feel that the electricity will soon run out after a long time.
The batteries used in mobile phones and laptops are mostly lithium-ion batteries. Its initialization process has been completed at manufacture time, so it does not need to be activated at the beginning of use.
2. Can reducing the number of charges prolong battery life?
Generally, the life span of lithium-ion battery can reach hundreds of charge discharge cycles. The charge discharge cycle here refers to the process of recharging after the electricity is used up, rather than plugging in the charger and unplugging it once. Lithium battery has no memory effect and can be charged at any time. In order to reduce the number of charges, the battery is deliberately used up and refilled, which 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 "eat less and eat more". Frequent shallow charging and discharging is more helpful to prolong its service life.
3. Will overcharge cause battery explosion?
There is a rumor that answering a phone while it is charging will cause an explosion. Experts said that this statement is untenable. If there is such a danger, the product will set up the program of not connecting to the phone when charging.
Positive solution: generally, lithium battery has safety protection circuit and various safety devices to ensure that the circuit of battery will be cut off automatically in case of overcharge, discharge and short circuit. Therefore, unless there is a quality problem, the battery will not explode due to long-term charging. However, if the power supply is not unplugged after the battery is fully charged, the battery will remain fully charged. Although it will not explode, it will speed up the loss of battery capacity. In addition, from a safety point of view, do not cover anything on the battery when charging, and do not put it on the bed to avoid fire.
2、 How to charge the mobile phone is the right way
1. Charging time 3-4 hours
The charging time should not be too long, it is enough to be fully charged. If the charging time is too long, it will seriously affect the battery life and cause danger.
2. The first charge does not need to be too long
It doesn't take 12 hours to charge for the first time. This is what the old NiMH battery needs to do. Now the batteries are all lithium batteries or polymer lithium batteries. For the first time, they only need to be charged as usual.
3. Can't use photoelectricity completely
Completely using up the power of the mobile phone has a serious impact on the battery life.
4. It's better not to use universal charging
Universal charging flow is not stable and the quality is uneven, try to use the original charger.