Vivo has announced the Y300 Pro+ and Y300t smartphones in China.The Y300 Pro+ comes with a 7,300mAh battery, offering up to 25 hours of video playback and 14.7 hours of online gaming.The Y300 Pro+ features a 6.77-inch AMOLED display, Snapdragon 7s Gen 3 chipset, and a 50MP main camera. Pricing starts at CNY 1,799 ($248).The Y300t offers a 6,500mAh battery, 44W fast charging, and features MediaTek's Dimensity 7300 chipset. Pricing starts at CNY 1,199 ($165).