I love my Iphone 3G. It seems every day I find something new it can do. But all the function comes with a price - really lousy battery life. The darn thing drains like a sieve when I use wireless - which is a pain as that is often the fastest connection and offers the best flexibility when using all those fantastic Apps.
So I started to hunt down external batteries - especially for those long flights when I was in the middle of an audio book or new series of TV shows and blimmpppp there goes the battery. The first one I tried cost me $80 and never got to a full charge on the Iphone, only giving me an additional 3 hours of battery- big whoop - I still couldn't make it overseas. I tried another that promised 20 hours but it actually drained the Iphone!!! So imagine my surprise to find this Tecyer that cost half the price and charges like a champ! It is a fast charge too. I can't say how long it lasts but I have gone past 25 hours using video and audio and it hasn't run out. It got me back and forth across the country, over to Germany and France and now I plan to take it to South America. I highly recommend this unit. It is slightly smaller than the Iphone and lighter, and because it doesn't connect directly onto the Iphone but through a cord I can keep the phone in its case.
As for the Kindle - it has a great battery life, but it is great to have a backup should you forget to charge it. I read about this trick on a Kindle blog - and I bought the USB Sync Charge Cable (for Palm Zire 31 72 Tungsten E) and I now use this adapter cable to connect to the battery pack and it successfully charges my kindle! I love it when I get multifunction out of a unit! New Trent ifuel IMP500 5000mAh External Battery pack and Charger for Apple iPhone 4 4G 3Gs 3G (AT&T and verizon), iPod Touch (1G 2G 3G 4G), Motorola Droid, HTC Android EVO, Blackberry, Kindle DX, Samsung EPIC, Samsung Galaxy Tablet, Samsung Galaxy S and much more.
I will chime in with the comments on the battery capacity of the IMP-500. We used it extensively on our trip to Birmingham, England and back. 26 hours of flight time and a good 8 hours of airport time. It kept our two iPhone charged nicely.
When we purchased our first two IMP-500's one would not charge. We shipped it back to the vendor and received a new one. No problem.
Now the on/off switch on one of the IMP-500's will not work without excessive force. My sense is the switch consists of two metal plates which touch together, and they are no longer closing the circuit.
I don't think it has anything to do with the 2-3 second delay, which is a nice feature and keeps the battery from accidently turning on when bumped in the briefcase.
Without the ability to turn the battery on and off easily the battery is pretty much unusable.
So, while I like the capacity of the battery and it's ease of use, as well as the good product support, the switch is most definately a design weakness in my mind and I would probably not purchase another IMP-500.
After receiving the imaxpower, I was going to rate it five stars right off the bat, simply because of the strength of this piece. It states that you can watch 11 movies on a fully charged imax, and even though I did not test it on 11 movies, I did have it plugged in for a while, and I it worked fine, as well as leaving my iphone fully charged afterwards. The thing that separates this piece from similar pieces like the 3gjuice and the mophie, besides from about 3 times the strength, is the simple fact that it charges just about everything you can think of. If you have a wire that connects to basically any of your electronics (I personally tried it on my kindle, blackberry, and Bluetooth) and has a usb plug on the other, it should work without a problem. The reason why I think that this piece the best in its category, and frankly one of the best items you never heard of, is the fact that you can use it on almost any of your handheld's, and simultaneously. I was messing around with this piece, and decided to use a 4 port usb hub and try a few pieces at the same time. To my surprise, it charged them all at the same time and the imax showed no signs of dying( I posted a few pictures so you can see what I mean). Everybody owns something that plugs into a usb. Most people own more than one. I am a tech freak, and can actually charge a lot of my gadgets, AT THE SAME TIME. If there was 10 stars then I would rate it an 11. The only negative I can think of about this product, is that it only comes with an adapter for my iphone (I guess that's what it was marketed for) , and doesn't come with an ac plug, which basically means that you have to charge it with the usb that is comes with; not such a big deal for me. I don't know how this is not the best-seller, I guess its cause nobody heard of it yet, which is why I recommend getting your hands on it now, before they realize that they can easily sell it for double, and still be pretty cheap considering the capability of it. I rate the imax 11 stars, and i think this is the next generation of batteries.'
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