Samsung’s Adaptive Fast Charging is exclusive to Galaxy devices like the Galaxy S9 and Note 8. Unlike Quick Charge and other competing fast standards, it’s fully compatible with Exynos, the system-on-chip commonly found in international variants of Samsung’s devices.

Tech specs and compatible adapters

Samsung’s Adaptive Fast Charging has a theoretical peak of 9V/2A (18W), but tends to be a bit more conservative in practice. Tapping into Adaptive Fast Charging’s speeds requires buying a certified charger, but most Samsung devices support Quick Charge-compatible accessories.