1, can not, because the charge is not satisfied, the Apple Watch battery is generally 3v.
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2, the output voltage of the Apple Watch charger should be about 3.3v, and the mobile phone battery is 3.6v to 4.2V.
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3, with the Apple Watch charger (output voltage 3.3v), it is impossible to fully charge the phone battery to 4.2v. So with the Apple Watch charger, you can't charge your phone. This situation is nothing else
Watch wireless charger can not charge mobile phone. Because for the watch wireless charger, the watch wireless charger is designed according to the watch low-power battery, and for the mobile phone, because the mobile phone battery power is large, the wireless charger must be used when charging the mobile phone, so the watch wireless charger can not be charged with the mobile phone
No, the Apple Watch is wireless charging, the root phone is not the same.
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Yes, the charger output is 5V1A, but many other mobile phones use 5V2A, it can not, may not charge into or charge slowly, there will be no damage to the phone, apple mobile phone is 5V1A, it is OK, but still change it, in case something really happened.
Watch wireless charger can not be charged mobile phone, you can buy a mobile phone wireless charger.