Apple extends iPhone 6 battery life with rechargeable case
Move over Mophie, Apple has a $99 Smart Battery Case | Engadget
Apple Smart Battery Case for iPhone 6S review: Apple's answer to iPhone battery life: Slap a case on it - CNET
Hands On With Apple's $99 Smart Battery Case | TechCrunch
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Quick unboxing and review of Apple's new iPhone 6/s Smart Battery Case - 9to5Mac
Review: Apple Smart Battery Case for iPhone 6 & 6s | AppleInsider
Amazon.com: Ekrist Battery Case for iPhone 6/6s/7/8, [Upgraded 6000mAh] Portable Ultra-Slim Protective Charging Case, Extended Rechargeable Smart Battery Pack, Backup Charger Case Power Bank Cover (Black) : Cell Phones & Accessories
Amazon.com: Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus 8500mAh, Rechargeable Charging Case for iPhone 6Plus Extended Battery Pack Charger Apple 6s Plus Portable Power Bank Cover for 7Plus 8Plus (5.5”) :
7 reasons why Apple's iPhone 6s Smart Battery case is better than other battery cases