A new report from Chinese website Weibo claims
the iPhone 7 will feature a slightly larger battery with a higher capacity than
the current generation iPhone 6s and iPhone 6s Plus. 
iPhone 7 will feature a slightly larger battery with a higher capacity than the current generation iPhone 6s and iPhone 6s Plus
According to report, 4.7
inches iPhone 7 will include a battery with a 1735 mAH capacity and 5.5 inches iPhone
7 Plus will feature a 2810 mAH battery. On both models, this is (slightly) more
than the current-generation iPhones. In contrast, iPhone 6s and iPhone 6s Plus have
batteries with 1715 mAH and 2750 mAH respectively.

Take a look on some alleged pictures of iPhone 7’s battery which shows a 7.04Wh
battery compared to the iPhone 6s at 6.61Wh.

It’s been also rumored that the iPhone 7 will feature a dual lens camera sytem
on Plus model only),simplified antenna bands, no headphones jack, stereo
speakers and a Smart Connector. 

Apple has planned to unveil its next
iPhone 7 and iPhone 7 Plus on September 2016 though it is not confirmed
yet. 
Source: 9to5mac Weibo