Samsung Galaxy S20 Ultra has a massive 5000mAh battery with 45W Super Fast charging. With Samsung’s 45W chargers, it can charge 0-100% battery in just 58 minutes.
It is impressive, after all, the Galaxy Note 10+ with 4300mAh battery takes over an hour (using 25W) and few under an hour (using 45W charger).
For the current Galaxy S20 Ultra, the 45w charger can charge it to 100% in 58 minutes. Its battery is 5000mAh, so it is clear that the charging speed is faster than the Note10 +.
— Ice universe (@UniverseIce) February 14, 2020
The rated capacity is 3880mAh for Galaxy S20, 4370mAh for Galaxy S20+, and 4855mAh for Galaxy S20 Ultra. Actual battery life may vary depending on the network environment, usage patterns and other factors.