Customer Review

65 of 69 people found the following review helpful
3.0 out of 5 stars Lots of Juice, but 3GS caution, July 15, 2009
This review is from: I-Up 5400 External Battery for Select Cell Phones (Wireless Phone Accessory)
First thing to know about this product is that it is exactly the same as the Major Mojo 3GJuice (two company names, same piece of hardware) - except that it costs about $20 less - cool! Second it has 5400 MaH which means it will go much longer than other charges before it needs to be refilled.

I bought this to recharge my iPhone 3GS. It works but there is a trick to it. You must power the batter charger on first, THEN attach it to your iPhone. If you attach it to your iPhone then power on the charger you will get a message "Charging is not supported by this accessory." As long as you know to do things in this order (not very clearly explained in the documentation that comes with it) it works great.
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Tracked by 1 customer

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Showing 1-3 of 3 posts in this discussion
Initial post: May 11, 2010 7:00:29 PM PDT
Thank you so much for this information. The people who wrote the brochure did a very poor job with explaining anything. They clearly have no interest in the English speaking world.

Posted on Jul 3, 2010 8:01:01 AM PDT
If it works great why only three stars?

In reply to an earlier post on Dec 9, 2011 9:51:39 PM PST
Last edited by the author on Dec 9, 2011 9:54:17 PM PST
I agree. I've never had an issue with an iphone, blackberry, or Android, from it. If that's the trick it took for your apple OS (no offense, as I had no issues on the 3GS) to make it work, it's probably more of an issue with Apple, than with the product here. I've seen ipods and iphones complain about USB cables in general, as well as the source. Maybe Apple will finally realize they aren't special when it comes to Li-On's, and make their products work like the rest of the world already does (granted, Apple probably thinks they invented the lithium ion battery too...).
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Location: Mountain View, CA United States

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