Griffin PowerBlock Reserve review

Stop your iPhone struggling to make it a full day without a charge

By  from MacFormat Issue 222

TechRadar's rating

Average user rating

TechRadar's verdict

"More battery life as an option would be nice, but still a great gadget"
  • Only £5 more than Apple's…
  • …and does loads more
  • US/UK plug included
  • Only 500mAh battery
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