Mophie Juice Pack Air for iPhone 4

Mophie Juice Pack Air for iPhone 4

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Mophie Juice Pack Air for iPhone 4 Pictures

Mophie Juice Pack Air for iPhone 4

Some of the iPhone controls can be tricky to reach

Mophie Juice Pack Air for iPhone 4

Physically cut the battery feed to preserve its power for emergencies

Mophie Juice Pack Air for iPhone 4

Button-activated indicator lights show the remaining charge

Mophie Juice Pack Air for iPhone 4

It'll bulk-out your handset a bit

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Mophie Juice Pack Air for iPhone 4

Mophie Juice Pack Air for iPhone 4

Bulk up your iPhone with a 4.7Wh battery built into a smart-looking two-part case. µUSB used for charging - LEDs show the level - and syncs.
Price: £70 RRP