Fast charger with a maximum output power of 25W, the USB C fast charger charges the Samsung Galaxy S22 Ultra incredibly quickly—from 0% to 60% in 30 minutes, to 90% in 50 minutes, and to 100% in just 70 minutes. You can charge at night with the same peace of mind thanks to this 25W super fast charger, which is composed of sturdy, long-lasting ABS fireproof material. sturdy shell that guards against scratches, bumps, and drops and is flame retardant.Trickle charge: the 45W power supply charges rapidly between 0 and 90%, but it reduces the charging speed between 90% and 100% to protect the battery (battery protection).