Theoretically, the fastest charging time is 5 hours.
The charging time of the lithium battery is closely related to the remaining power and the charger. The normal original charger is generally designed to be fully charged within 5 hours, and the fast charging can also be fully charged within two hours. Different chargers are also different. Generally, the original charger can be fully charged in two hours. The charging current of miscellaneous chargers is small, and they must be slow.