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  • peter76bp

    senior tag

    válasz LámaZ #22609 üzenetére

    Sima osztással igen, de a valóságban nem egészen így van megoldva a dolog.

    Attention
    Some buyers enquire whether tha capacity is real 20000mAh,The answer that according to eletric products,Diffrent electric product ,The charging full capacity is diffrent Capacity.Example as below.

    Question :My mobilephone capacity is 2000mAh ,Whether can charge for 10 times?
    Answer: Don`t been calculated according to this way ,Power bank built-in 18650 electric battery core is3.7voltage,To charge cell phone voltage is 5v,So first to boost ,The conversion for 3.7/5 *20000=14800mAhafter boost.According to the use life to consider,The main board should reserve 20% of the electricity.Normally use that can charging 500 times cycles,If to charge at the empty situation ,The life will reduce by half .The available eletricty for 14800*0.8=11840mAh,Due to charge the cell phone ,That have 20% loss.That final charge the cell phone of 2000 capacity for 11840*0.8/2000=4.7times Special remind: Refuse any negative feedback about product quality after buy ,The product is Completely trustworthy ,The price is the lowest at the market

    Ezért érdekelt volna, hogy ténylegesen mennyit bírhat.

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