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| |  | iPhone Accessories | Home » » » I-Up 5400 External Battery for Select Cell Phones | | | | | | | Description: | | One of the most powerful batteries in the world. Nothing matches its power for its weight and size. This is the kind of power(5400 mAh) that laptops run on: never on a cell phone, until now. Be the first to own this excellent tech product. It is a must own gadget. Take your iPhone 3GS, iPhone 3G, Ipod, Blackberry, Sidekick, Nokia,T-Mobile cell phone, or even a Sony PSP and attach it to the I-UP and at the touch of a button your device will be charged to full 100% power within 2.5 hours. Its that fast and that easy, mobile power on the go. Its there any time you need or want it. Just charged your device to full? Want to charge another device even though you just charged your cell phone? Use it again and again, it can be used up to three times in a row! Stay in full control of your power needs. Thanks to the smart LED's you know exactly how much power the device has and how long it will take to recharge. You can game, watch movies, or surf the internet for hours, with just one small and convenient little gadget. Also comes with a BONUS PACK: special tips + cables for computability with many other phones. Supports modern Nokia phones, Sidekick, G1, Blackerberry, Sony PSP and many more. Works with any device that uses a USB-port. | | | Features: | |
• Extremely powerful 5400 mAh external battery for iPhoe/iPod and many other devices
• Charges iPhone/iPod at the same time. Excellent re-charging LED's that let you whats going on.
• Get 3~5 times the extra life, ideal for long trips, gaming, hikes, fishing, and listening to music.
• With free Bonus Pack of Tips/Adapter (USB extendable cable, iPhone Tip, USB Tip, Mini USB (B) Tip , Micro USB (B) Tip, 8 pins USB Tip) for iPhone
| | | Product Details: | | | Product Length:
| 4.17 inches | | Product Width:
| 1.57 inches | | Product Height:
| 0.94 inches | | Product Weight:
| 0.33 pounds | | Package Length:
| 5.6 inches | | Package Width:
| 4.8 inches | | Package Height:
| 2.0 inches | | Package Weight:
| 0.95 pounds | | Average Customer Rating:
|  based on 58 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 58 customer reviews )
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Most Helpful Customer Reviews
64 of 68 found the following review helpful:
 Lots of Juice, but 3GS cautionJul 15, 2009
By D. Mohr
"d_mohr"
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.
40 of 41 found the following review helpful:
 Very Versatile DeviceSep 18, 2009
By Jase
As of this writing (9-17-09) there is one, 2-star rating, and one 3-star rating. I read their reviews but I still cannot understand why these people rated this product so low. For the money, and versatility (far beyond charging your iPhone) this product should get no less that 4-stars.
I purchased the device in mid June. I took it to Pennsylvania where it kept my iPhone and my son's Nintendo DS going for days. We were staying in an ancient cottage with no lighting except candles -- so the LED bulb really came in handy too. My son was fearful, so I'd leave the bulb on all night, providing just enough light. Ten hours of burn time, according to the indicators, would only use 1/5 of the battery.
It is now September and I've used the device again during my Yellowstone adventures. What really impresses me is how quickly it charges a battery. Whether iPhone, DS, or other. You can plug this baby into your device that is nearly out of power, KEEP USING the device, and you will still quickly build up a positive battery charge. (I honestly thought it would charge my iPhone as sloooowly as when I charge it via USB/computer. I was pleasantly surprised! It charges every bit as fast as the standard wall outlet charger for the iPhone.)
One of the reviewers who rated this product low complained about the lack of documentation for all of the various adapters that ship with this battery. Well, there is really no way you could document what each adapter is capable of being used on. There are too many electronic products out there -- use your eyes and find the right connector; it's not that hard.
This thing is amazing, it can charge all sorts of devices. (I only wish it could give my MacBook Pro a little extra life.)
What you need to know:
-This product is significantly cheaper than the Major Mojo 3GJuice (which is the same product, only re-branded.) I'm very thankful that someone pointed this out on the 3GJuice comments, because I was about to spend $20 more.
-This product is solid; very well made.
-It does not come with a case. If you want to keep up with all of the adaptor accessories, I recommend finding a cheap leatherette camera case or equivalent.
-It must be charged from a wall. Unfortunately, it can't be charged from a car's cigarette device.
-Sometimes your iPhone will give you an error message saying something about this device being unsupported. Don't panic, just try again. I can't remember the order, I think that you need to plug the iPhone into the battery and then turn on the battery. Or maybe it's visa-versa. Either way, it's no big deal, just try again and it will work fine.
Overall, a great value for the money, esp considering that it charges so much more than just an iPhone.
14 of 14 found the following review helpful:
Somewhat Heavy and Expensive, but Solid Value and Works GreatJul 14, 2009
By Alexander S. White
I got my iPhone 3G in March of this year, and use it constantly, so battery life has been an issue. I'm usually able to get access to a computer's USB port or an AC outlet to charge it, but I'll be taking a trip across the country later this summer, and wanted to get an add-on power device like this to keep the iPhone working on a long plane trip. This device, as far as I can tell, is identical to another one that has received more publicity under the name Major Mojo, but this version costs less, though it's still pricey. It has a very solid feel, and has good features, including an array of 5 red LEDs that light up to show you how fully charged it is, and another LED that shows whether it's outputting a charge to the iPhone (or other device; it includes power tips for a good variety of other phones, etc.).
One criticism I have is that the small instruction pamphlet is badly written in a form of fractured English that is hard to decipher, though it's really not too hard to figure out how the charger works with a little bit of experimentation. My other issue is that the charger at first did not seem to work. It charged up okay, but then would not output a charge to the iPhone. I plugged it back into the AC outlet for a while and tried again, and then it worked fine, and has worked fine ever since. It has so far charged up the iPhone twice, and still seems to have around half its power left. The indicator lights work well, and the connector cable and tip are solidly built and seem to be reliable. Also, the bonus LED flashlight on the side is quite bright for its size, and I can imagine it coming in handy in a hotel room or elsewhere at some point. It would have been good if a carrying case had been included; I plan to look for a small camera case to hold the charger, its AC cord, and the cable to charge the iPhone. I should mention the weight, also. The charger with the iPhone charging cable attached weighs about 5.6 ounces, which is just about what my iPhone weighs, in its own case; it weighs 5.7 ounces in its case. So, this charger is somewhat bulky and heavy, but if you want a reliable and abundant source of power, in my opinion this device is worth the fairly high price.
10 of 11 found the following review helpful:
Excellent product, with one caveatJan 12, 2010
By George P. Burdell
There's not much I can add that isn't in the other reviews posted here. The battery is compact and well-made. I would estimate it is capable of charging my cell phone (with a 1320mAh battery) about 2.5 times, so its battery appears to be rated properly. 5400 mAh at 3.7V translates to 3996mAh@5V. It you guesstimate the voltage regulator to be 90% efficient, then you get about 3600mAh out of it. Given its price, this makes it a good value.
There is only one thing that keep this from getting 5 stars in my book: The data pins on its USB connector are not shorted together. Devices that charge from USB need to know if they are connected to a computer or to a simple charger. A 'dumb' charger or battery simply connects the two data pins together with a resistance under 200 Ohms. If you connect a device directly to the battery without using the included cable (which does short the pins) then your device will not charge. Since the battery does not come with a micro-USB adapter, I had to use a regular data cable connected directly to the battery's USB port. I then had to cut up a USB extension cable to make an adapter that shorted the data wires together. Using the adapter, the device works flawlessly. And since connected devices now 'know' they are not connected to a computer, they are free to pull as much current as they want. The result is very fast charging compared to a computer's 500mA limit.
If the manufacturer had simply put a bead of solder across the data pin connectors inside the battery, then an adapter would be unnecessary. If I ever have to open it up, that's the first thing I will do. This design change would not affect people using the included cables, and would save me (and others, presumably) a major headache.
6 of 6 found the following review helpful:
Awesomely Awesome in its AwesomenessSep 08, 2009
By J. Bono
I ordered this to use while on a bike tour. It is far and away the best thing for charging electronics that I have seen. The device had enough power to fully charge my Ipod, my cell phone, and my bike GPS, all off of a single charge. I have tried using solar cells on the bike, on a previous tour, and could barely keep the cellphone charged, let alone bring it to a full charge. In a touring environment, you could charge this at an outlet every other day, or every third day charge three devices like I did. If charging a single device, I believe that this device, fully charged, could keep a single cell phone charged for a week even under heavy use. I cannot recommend this device enough.
See all 58 customer reviews on Amazon.com
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