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As long as the jack is the same, it is Android, you can use fast charge, but it is best to use the original charger. Children's watch battery more than 600 mah, it is recommended to use 1A mobile phone charging head, 2A fast charge will make the battery overheat. In addition, it is best to look at the introduction of the battery in the phone watch manual to see if it can adapt to the output voltage, current, and other parameters of other chargers, if it can adapt to the charge.
Watch does not support fast charging, using 22.5W, 40W or higher power charger, charging effect and use 5V\/2A charger is the same, please wait patiently.
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The high-frequency use of the watch during the charging process, or the download and installation of the application will aggravate the charging fever phenomenon, and for safety reasons, it will trigger the watch overtemperature protection mechanism, resulting in slow charging. Please put the watch in the charging base, the watch can be charged normally.