Samsung’s foldable smartphones are some of the slowest in the industry in terms of charging speeds, and that likely will stay the same with the Galaxy Z Fold6 and Galaxy Z Flip6 since both got certified by 3C with a 25W charger.
The Samsung Galaxy Z Fold6 (SM-F9560) and Galaxy Z Flip6 (SM-F7410) are listed on 3C’s website with the EP-TA800 charger supporting up to 25W charging, which is the same as the Galaxy Z Fold5 and Flip5 as well as the Galaxy S24 (S24+ and S24 Ultra go up to 45W).
Of course, just because the 3C listing for both foldables mentions a 25W charger doesn’t mean…