The Vivo X300 Ultra has launched with a massive 6,600mAh battery and a new 100W USB-C charger. The flagship features a 200MP main sensor and an upgraded 200MP zoom camera with significantly faster autofocus. Priced as a premium photography-centric device, it moves to a flat-screen design and offers an extensive new accessory kit, including 200mm and 400mm teleconverter lenses.