There are a number of ways you can optimize your iPad to get the most out of your battery, including turning off 4G when you are not using it and turning down the brightness on your display.
Enwere ọtụtụ ụzọ ị nwere ike isi welie iPad gị iji nweta ihe kachasị na batrị gị, gụnyere ịgbanyụọ 4G mgbe ị na-ejighị ya ma gbanwee ìhè na ngosipụta gị.