Apple's iPad...

[Footbag]

Originally Posted by JE3146

Video output on a screen that size will require minimal processing depending on the codec/algorithms. So battery will more or less be entirely dependent on the backlight.

So essentially they're saying you can keep the backlight on for 10 hours and run minimal processing while doing so.

Odds are that's still not factoring ~250mA a pop for WiFi data pulses. That will drain it dead quickly.

They rarely quote battery life with WiFi on.