This Kindle Fire Charger is the same as the one that came included with Kindle Fire.
Its plug prong is NOT foldable, making it less convenient for traveling.
It is a dedicated charger that cannot be used with USB devices that require other kinds of plug, such as regular USB 2.0 or Mini USB.
The price is also a bit high at $25.
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Amazon also makes a USB charger under the label AmazonBasics that IMO is better.
I originally bought this as an extra charger for my iPad.
I tried charging the newly introduced Amazon Kindle Fire, and it worked very well.
This compact and foldable 2.1A (2100 mA) charger can quickly charge Kindle Fire or Apple iPad/iPad2 (you need a different cable for each one).
The Kindle Fire requires just 1.8A of charging current, so this charger is fine.
AmazonBasics Wall Charger with USB Outlet( 2.1 Amp Output)You also need to buy this $6 AmazonBasics micro USB cable.
AmazonBasics USB Cable - 2.0 A Male to Micro B (6 Feet / 1.8 Meters)Do not use one intended for your cellphone; it may not work, although it looks identical externally to a standard one.
The total cost is $16, still much cheaper than the dedicated Kindle charger which sells for $25.
And you also enjoy better utility with this charger/cable combo because they are separate, and the charger prong is foldable.
Additionally, this same USB cable can be used for copying files from your computer to the Fire and vice versa. This is the kind of cable (USB 2.0 on one end and micro USB on the other) that some reviewers were saying that Amazon should have included in the Fire box.
You can check what both look like in Customer Images on this web page.
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The main draw of this AmazonBasics USB wall charger is the 2100 mA current output, which is required for most modern smartphones and iPad/iPad2. You get these gadgets charged the fastest with this charger.
But the shape of this charger will BLOCK adjacent power outlets if it is plugged into the wall or even an extension power strip. In this respect, it is really not an improvement over Apple's 10W USB Power Adapter.
This is why I also bring along a (Ziotek ZT1212518 Power Strip Liberator Plus with Pass Through, Ziotek ZT1212518 Power Strip Liberator Plus with Pass Through, 5-Pack) when I travel. It will allow all outlets to be used by extending the plug a few inches. With its pass through feature, a normal plug can be piggybacked on top of the extender plug, thereby doubling plug density (from 6 plugs to 12 plugs, for example), although the total power consumption still cannot exceed 1680 watts. It comes in a pack of 5, and the average cost is $2.65. I consider this a small price to pay for more convenience and flexibility.
In summary, I do recommend this AmazonBasics charger because it works, is well-made, and costs only 1/3 the price of Apple's part.