Weight, size, and battery life: iPhone 7 vs iPhone 6s
Apple iPhone 6s / 6s Plus - Optimize Battery Life - AT&T
How to check if your iPhone 6s is eligible for Apple's battery replacement program - 9to5Mac
Apple iPhone 6s / 6s Plus - Optimize Battery Life - AT&T
iPhone 6s - Battery usage only 3-4hours - Apple Community
Samsung vs. TSMC: Comparing the battery life of two Apple A9s | Ars Technica
How to Check Your iPhone Battery Health
Apple iPhone 6s battery life test - GSMArena blog
iPhone 6 and iPhone 6 Plus feature impressive battery improvements over iPhone 5s - 9to5Mac
Battery Life and Charge Time - The Apple iPhone 6s and iPhone 6s Plus Review
Exchangeable Battery for iPhone 6S+/6+, iPhone 6S/6? - ETrade Supply
Apple Says It Slows Older iPhones To Save Their Battery Life : The Two-Way : NPR
Battery Stats for iOS 10.2.1 Beta 2 on iPhone 6s Plus. Battery performance in my opinion is significantly better than previous builds. Hopefully future betas continue to improve battery life! : r/iOSBeta
iPhone Battery and Performance - Apple Support
How to Know Battery Replacement required for iPhone 5S, 6, 6S, 7, 8? - Rapid Repair
iPhone 7 and iPhone 7 Plus both sport larger batteries
Battery Life and Charge Time - The Apple iPhone 6s and iPhone 6s Plus Review
Battery Life: iPhone 6s vs iPhone 6s Plus vs iPhone 6 & 6 Plus - YouTube
How long does your iPhone 6s battery last on average? - PhoneArena