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mophie Juice Pack Universal Reserve Quick Charge 700 mAh external battery charger for iPhone 3G/3GS and 4 - AT&T and Verizon, iPod - 1G, 2G, 3G, 4G, and all 30-pin Apple Devices

3.9 out of 5 stars 40 customer reviews

Price: $5.99 & FREE Shipping on orders over $49. Details

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  • 700mAh rechargeable lithium-ion polymer battery
  • Built in USB cable means no extra cords
  • Subcompact design makes it easy to bring along while on the go
7 new from $1.50 5 used from $5.99 2 refurbished from $14.95
$5.99 & FREE Shipping on orders over $49. Details In Stock. Sold by Tech Union and Fulfilled by Amazon. Gift-wrap available.

Product Features

  • Size (LWH): 0.34 inches, 6.75 inches, 4.25 inches
  • Weight: 12 ounces
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Product Description

The Juice Pack Reserve is a 700mAh external battery, small enough for your keychain and able to charge any Apple iPhone or iPod device on the go.

Product Information

Product Dimensions 0.3 x 6.8 x 4.2 inches
Item Weight 12 ounces
Shipping Weight 5.6 ounces (View shipping rates and policies)
ASIN B005OW4AYQ
Item model number 2025_JPU-RESERVE-2
Batteries 1 Lithium Metal batteries required. (included)
Customer Reviews
3.9 out of 5 stars 40 customer reviews

3.9 out of 5 stars
Best Sellers Rank #206,727 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
#3,106 in Cell Phones & Accessories > Cell Phone Accessories > Batteries & Battery Packs > Portable Power Banks
#3,213 in Electronics > Portable Audio & Video > MP3 & MP4 Players & Accessories > MP3 & MP4 Player Accessories > Batteries & Battery Packs
#206,205 in Electronics > Cell Phones & Accessories

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I looked to buy this the first time I saw it on a tech blog several weeks ago. It's a terrific piece to carry in my bag for those all too frequent times when my iPhone battery runs low. I've let it charge my phone several times and even used the phone while it was attached. It works as advertised.

What I love:
- The exterior is wonderful. It's the sort of non-spongy rubber that's hard to not rub with your finger when you're holding it.
- Seams. It is very well built. The top closes very well and the USB connector slots in nicely
- The size is perfect. It's about the size of a medium sized lighter, although it weighs less.
- Attention to detail is first rate. The keyring and its attachment are nicely built. I expected junky. The status light is very nice too. You can tell a lot of thought went into this.
- Bonus: it works while my iPhone is still in its hard shell case. I hadn't considered it might not when I purchased it.

In short, there is nothing I don't like about the device itself. If it sounds like I'm gushing it's because there is so many crappy iPhone add-ons out there and time after time I've been duped. The Juice Pack is at the other end of the spectrum.

What I don't like:
- The excessive packaging. There were two layers of non-recyclable plastic around it and a big piece of cardboard. The whole thing was almost as big as those long box CD cases from years ago. Mophie, you made a wonderful device. Please don't wrap it in so much future landfill! This is the *only* reason I didn't give it 5 stars.

I would buy this again if I needed something for those emergencies when my phone has no charge. They sell bigger and more powerful versions but this one is the right size for me.
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This is meant for a reserve battery and is great with emergency. I am a student and this works great if I forget to charge my Iphone and find out it has 20% battery left and need to get to a class. If you needed a battery that charges more than 30% then get a Mophie Quick Charge or a Mophie battery case.

P.S. This little device saved me when my car broke down and my Iphone had 5% charge. I LOVE MOPHIE!!!
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Verified Purchase
I think that I have every battery charger every produced for the iphone. This was appealing to me because of the size as advertised and in fact, it is pretty small. But I did think that it would be a bit smaller than it appears in the pictures. Fine for leaving in your pocket but I would not put it on a keychain. The amount of charge that I get is about what I would have expected knowing that 700mAH is not a lot, but is usually more than enough for what I need. Mophie makes good products and this one is also. Just don't expect too much (or in this case, too little).
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Verified Purchase
I bought this for my 9-year-old step-daughter to go with her iPhone 4s. To anyone out there who wonders if a Mophie battery will ever come in handy or be worth the cost, wonder no more! We now have four, and though my wife initially balked at the expense, she now acknowledges we would be lost without them! Beware of copycats though...buy new, and from a trusted retailer (like Amazon). I went cheap one time and bought a used one that proved to be a fake (I found out by calling Mophie). The difference in performance is huge!
As to this one, if you have an older phone (iPhone 3, 3s, 4, 4s) then this is the model you want. Has a great keychain so you don't lose it, and there are no wires to lose-the USB charger cable is built in, as is the part that plugs into the phone! Highly recommended!
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Verified Purchase
I use this external battery on long bike trips to run a map program. My phone is older 4 and battery dies quickly. This works well until I call get a newer phone. I can plug charger onto phone and lay it in bag and continue riding.
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Verified Purchase
It is sort of an awkward fit; it doesn't snap onto the iPhone so you have to hold it there or keep it in a position so tat it won't fall off. Otherwise it is a welcome addition to my key chain and a godsend when my iPhone runs out of juice.

A message to Mophie: When you make the next one, make sure the damn thing just snaps on to the phone.
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By User19 on January 26, 2014
Verified Purchase
Ok this little gadget it's one of my iPhone best friends, small, ease to use and recharge, but if you are walking becomes a little problem , and you can use a little extra battery as well, but for the price and size, it's a very good product, which actually has save my day quite few times.
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Verified Purchase
Exactly what I needed. Like it states, it will recharge your iPhone between 20% to 30% which is just enough for me to make it through a day. I'm a heavy data user (video, music, apps) so without this, I was sinking.

It's incredibly lightweight and fits easily into my pocket.

Highly recommend it.
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