Common problem

  • How to charge the phone?

    How to charge the phone?

    In today‘s life, mobile phones are more than just communication tools. They are used in work, social life or leisure, and they play an increasingly important role. In the process of using mobile phones, what makes people most anxious is when the mobile phone appears low battery reminder. In recen...
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  • How to treat lithium batteries correctly in winter?

    How to treat lithium batteries correctly in winter?

    Since the lithium-ion battery entered the market, it has been widely used due to its advantages such as long life, large specific capacity and no memory effect. Low-temperature use of lithium-ion batteries has problems such as low capacity, serious attenuation, poor cycle rate performance, obviou...
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