| Voltage | Current | Max Power | |
| Samsung Adaptive Fast Charging | 5V/9V | 2A | 18W |
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.
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