Charging speed has a lot to do with charging current.
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1, the use of 2A charging interface can speed up the charging speed, a short time can be charged more power, suitable for mobile phone low power fast charging.
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2, the use of 1A charging interface, the speed is slow, if 2000-3000 battery, theory 2-3 hours full.
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3, charge the mobile power supply with use, do not need to charge more. It can be charged and discharged once a month