1, may be the flat battery aging, ipad battery if aging, it is difficult to charge, and in daily use is also difficult to charge, or charge slowly.
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2, may be the data cable or charging head is broken, with the official genuine charger can be charged;
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3, it may be that the charging temperature is too high, if the temperature is too high, stop charging first, take off the protective cover of the plate, and then start charging after the plate cools down;
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3, the temperature may be too low, the battery fluidity is poor, blow the back with hot air, or use a hot water bag to charge, appropriate, do not blow too hot.
If the iPad consumes power quickly and charges slowly, it should be its battery problem, it is possible that the battery is aging, and the battery needs to be replaced, and the general tablet computer charges it. Rechargeable battery life is only 2 to 3 years of time, well, you need to replace the battery, usually do not play tablet while charging the phone, this is not good for the phone.