Compared with the battery capacity of the Switch (4310mAh) and Switch Lite (3570mAh), the Switch 2 has a larger battery capacity.According to Nintendo's official website, the Switch 2 will have a built-in lithium-ion battery with a battery capacity of 5220mAh.
Battery life is about 2-6.5 hours.Depending on the game software, the duration will vary.In contrast, the Switch battery life is 4.5-9 hours, the Switch OLED version has a battery life of 4.5-9 hours, and the Switch Lite battery life is 3-7 hours.
Nintendo also said that it takes about 3 hours to fully charge the Switch 2 in sleep mode.