What is "10/8" percent?
To answer your question, I just used mine for a little over 9 hours before I got the 20% message. Usage was streaming music and podcasts and some Safari use.
10/8 percent battery life left, post pics thanks
10/8 doesn't make any sense.
It means October 8th. He sent us battery life from the future.
[I also have no clue wtf the OP means]
Probably means 10% to 8%, since he said it was a rough number and doesn't have the percentage shown in the screenshot.