3 iPhone battery cases that might be right for you

Here's how Apple's Smart Battery Case stack up against two competitors.
    Related:
  • Mobile Phone Accessories
  • iPhone
  • Smartphones
  • iOS
  • Batteries
  • Computer Cases
  • iPhone 6
  • iPhone 6s
  • iPhone 6s Plus
Oscar writes about iOS, mobile culture and digital music. He also hosts 'The iPhone Show' from Macworld's San Francisco HQ.