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Mine died at 6,5 hours of usage and 15 standby.

Had some safari moments at work, used iMessage a. It and got tons of messages on WhatsApp in my silenced groups (hate that I have to be in those groups but alas, mandatory).

Haven't used music, video etc.

Disappointed. My 6 could get 7,5 hours and 20 standby.
 
A bit disappointed with mine but I'm usually by a plug socket most days in work and can get notifications on my Watch and if I'm out and about knowing I'll be using the phone a lot I've got a portable charger. I'm more impressed at how quick the iPhone 7 charges that it stops poor battery life from being a total nightmare.
 
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