If you want to use the Apple Watch Series 7’s new fast charging, make sure to use the cable in the box

One of the best features on the Apple Watch Series 7 is its newly added fast charging system, which Apple claims is 33 percent and capable of charging the watch to about 80 percent charge in about 45 minutes. via Technology and News Today https://www.theverge.com/22716294/apple-watch-series-7-fast-charging-cable-magnetic