iPad (5th generation)
Power and Battery 7. Wi-Fi. Built-in 32.4-watt-hour rechargeable lithium-polymer battery. Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music. Charging via power adapter or USB to computer system. Wi-Fi + Cellular model. Built-in 32.4-watt-hour rechargeable lithium-polymer battery