If you’re an owner then you’ve certainly heard of the Mophie Juice Pack . It’s emerged as the external pack of choice for any iPhone owner needing more untethered power than can provide from its non-removable batteries. But what about all those feisty upstarts?

678b2df5f0gadget.jpg 450x186 Mophie Juice Pack Air vs. Mili PowerSpring 4 review

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Mophie Juice Pack Air vs. Mili PowerSpring 4 review