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Kensington Mini Battery Extender and Charger for iPod and iPhone 1G, 3G, 4G (Black)

3.7 out of 5 stars 101 customer reviews

Available from these sellers.
Standard Packaging
  • NOTE: This item is model number K33459US; it is the same product as Kensington's K33442US but featuring new reduced packaging
  • Compatibility: iPod nano 1G, 2G, 3G; iPod classic 4G, 5G, 5.5G, 6G; iPod touch; iPhone
  • Power and charge your iPhone or iPod--extends play time up to 30 hours of music or 6 hours of video (on iPod nano 3G) or 3 hours of talk (on iPhone)
  • Includes retractable USB charging cable, and it's small enough to keep connected to your iPhone or iPod
  • High-capacity, rechargeable Lithium-Ion polymer battery pack for increased energy efficiency
7 new from $9.95 3 used from $7.89

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Product Features

Product Packaging: Standard Packaging
  • Size (LWH): 1.75 inches, 2.75 inches, 5.25 inches
  • Weight: 1.6 ounces
  See more technical details

Product Description

Product Packaging: Standard Packaging

Amazon.com

Keep on talking, keep on rocking--the rechargeable Kensington Mini Battery Pack and Charger for iPhone and iPod has the power you need to keep the conversations and music going.

Keep on talking, keep on rocking.

The power you need to keep the conversations and music going.

Small and unobtrusive enough to keep connected to your iPhone or iPod while you're using it.

Power and charge your iPhone or iPod on-the-go, and enjoy an extended playtime of up to 30 hours of music; 6 hours of video; or 3 hours of talk. The high-capacity, rechargeable Lithium-Ion Polymer battery pack is small and unobtrusive enough to keep connected to your iPhone or iPod while you're using it.

The LED battery meter lets you visualize how much juice you have left, and the included retractable USB charging cable makes powering up the battery pack a snap. Backed by Kensington's 1-year warranty.

What's in the Box
Kensington Mini Battery Extender and Charger for iPhone and iPod (Black), USB charging cable.

Learn More About Universal Power Adapters
Universal Power Adapters are a convenient choice for households and businesses that have multiple brands of laptops/netbooks. More compact and portable than standard OEM bricks, Kensington Universal Power Adapters can be shared between Users of different laptop brands simply by exchanging the tips included in the packaging. Also, many of Kensington’s Universal Power Adapters offer additional functionality over standard OEM bricks by including a USB port to allow for charging peripheral devices (i.e. Smart Phone, MP3 Player, Personal Gaming Device) while also charging/powering your notebook.

Kensington’s Universal Power Adapters are a popular replacement to lost or broken OEM adapters.  But most often, users enjoy the convenience of having an additional Universal Power Adapter to keep in their travel cases for use on the road.



Product Information

Product Packaging:Standard Packaging
Product Dimensions 1.8 x 2.8 x 5.2 inches
Item Weight 1.6 ounces
Shipping Weight 2.4 ounces
ASIN B002OEBMZM
Item model number K33459US
Customer Reviews
3.7 out of 5 stars 101 customer reviews

3.7 out of 5 stars
Best Sellers Rank #212,613 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
#695 in Electronics > Portable Audio & Video > MP3 Players & Accessories > MP3 Player Accessories > Chargers & Power Adapters
#30,617 in Computers & Accessories > Tablet Accessories
#86,822 in Cell Phones & Accessories > Cell Phone Accessories
Discontinued by manufacturer Yes

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Dartanyon C. Race on March 9, 2010
Package Type: Standard Packaging
This little battery pack just isn't worth the trouble. It is certainly small, and maybe if you need just a little boost to your battery it might work for you, but I am getting no where near the stated time, or amount of charge. So from a auxiliary battery point of view, it doesn't cut it. Secondly, because it's a little heavy (certainly heavier than Apple engineers envisioned anything that hangs off the dock connector being) it really wiggles around, does not stay put, and on top of that also loosens up the dock connector itself.
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By Jiri N on February 6, 2010
Package Type: Standard Packaging
I bought this charger couple days ago and I must say I love it. Let me first say that the main feature is the size - this charger is very small and requires no additional cables for charging the iPhone and thus is very portable. If you are somebody why needs to add additional battery power every day then don't buy this, but if you are like me and you need extra power once a long while because u flying or staying in friend's house overnight, then this is great product.

I was able to charge iPhone 3GS with 20% battery power left back to 80% in 1 hour and to 95% in less than 2 hours. If you turn the iPhone off (if u flying for example) and then start charging it, you might get even faster charging time.

There are few gotchas you should be aware of.

1. if you use a case with your iPhone, the charger might not work. I was lucky and the charger fits and works with mine, but it's not really securely attached. I have to remove the case if I want really good grip. This is of course not an issue of the charger and I really don't care that much simply because I don't use this charger every single day.

2. The cable which charges the charger is USB-to-MINIUSB has issues - first it's only charging cable and not datacable (no idea why) and thus you cannot use for other things (I hate to carry 20 different cables when I travel). The second I really don't get why this cable exists in the first place. Why the charge cannot use existing iPhone charging cable instead or at least have an option to use either miniusb or iphone cables?
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Package Type: Standard Packaging Verified Purchase
It works great, but on an IPOD touch it blocks the headphone jack, so you can't use it and listen to music at the same time.
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Package Type: Standard Packaging
I think this is a great small battery pack for the iPhone. Charges via USB with a mini USB part that goes into the battery pack (you can plug this into the wall if you have a USB charger to AC charger). Small and easy to travel with for those who are on the go. I also have a Casemate Fuel which charges similaly but is a battery and holster. The Casemate is lighter and works well but I got this as times I do not want to have a holster. With both, I would not have to charge the iPhone for a long day or two. Got this at BestBuy for $20, on sale. The Casemate Fuel cost me about $59 a year ago. Both are great, but I would have bought this only if it had been available when I bought the Casemate Fuel as it is smaller.
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Package Type: Standard Packaging Verified Purchase
This battery is useful for charging your iPod when you are almost out of battery juice, and there is no AC power avaliable.

But you CANNOT use the headphone jack (example: for talking over Skype) while this external battery is connected to your iPod Touch. Kensington should have designed a shape that would accommodate the use of headphone/microphone.

If you HAVE TO use your iPod's headphone jack WHILE it is being charged by a portable battery, you will need something like this:

Music Power 0900-72 Encore Dual Port USB AC Charger with Rechargeable Extended Battery

It is not a one-piece design like the Kensington, but because of that, it is more flexible (It's a general purpose portable/AC 2-port USB charger) and will allow me to continue my Skype session without interruption. In other words, I can CHARGE my iPod Touch and USE my headphone/microphone at the same time. Not only that, there is no issue with having to remove iPod Touch's protective case if you have one, or having to maintain a certain angled contact between the battery and the iPod for positive charging to take place. For me, this is a much better and more practical solution to extending the use of my iPod Touch. And it is also cheaper than the Kensington, plus you will most likely be able to use this battery on future versions of iPod and things that rely on USB power. I highly recommend it (Music Power 0900-72 Encore).

Update (7/7/2011):

Music Power 0900-72 Encore Dual Port USB AC Charger with Rechargeable Extended Battery is no longer being sold.

Now I recommend the following, which is also very versatile and cheaper.
Read more ›
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Package Type: Standard Packaging Verified Purchase
Well, for sure this battery WILL NOT recharge your iPhone to a 100% if your main battery is drained, but I will give you a nice and useful charge, FOR SURE.

I have an iPhone 3GS 32GB and these are the two tests I've made so far:

Took the iPhone to a 20% of remaining battery and did:

1) Leave the iPhone alone (not making calls nor anything else), but with 3G and bluetooth activated, put the mini battery in and when it drained, the iPhone battery was at 70%

2) Leave the iPhone alone again, but this time with both 3G and bluetooth disabled. When the mini battery was dead, the iPhone battery got to 80%.

These are my 5 cents of my experience with this mini battery so far, I'm glad with it totally recommend it.

I will do more tests later and let you know. These tests will be of actually "using" the iPhone while the mini battery is plugged in.
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