Vivox50 mobile phone, the battery is 4200 mah, the charger is 33 watts of fast charge, 30 minutes can charge up to 58%, charging speed is very fast. Now the new smart phone, charging speed is very fast, are fast charging or flash charging, the charger is not necessarily universal, different models of the charger specifications may be different, like the charger output current size is not the same. The standard charging current of the charger can ensure better charging efficiency, such as the small charging current of the charger will extend the charging time or charge no electricity, if it exceeds the maximum, it may break down the electronic components. You can look at the screen printing parameters on the charger, it is recommended to use the original charger to charge the phone.
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