The average lifespan of an iPad battery is about two to four years; at two years, you might notice iPad battery life You can check your iPad’s battery health in the Settings app under Battery.

Apple states that modern iPads should maintain around 80% of total battery capacity after 1000 full cycles.

Saying that, Apple seems happier to place a value on the prospective durability of its tablets, with the website clearly stating that the standard Wi-Fi versions of the 9.7in iPad, 11in iPad Pro, and 12.9in iPad Pro should all get ‘Up to 10 hours of surfing the web on Wi‑Fi, watching video or listening to music’, while the Wi-Fi + cellular models should manage ‘Up to 9 hours of surfing the web using a mobile data network’.