- Product Dimensions: 7 x 4.6 x 0.5 inches ; 3.2 ounces
- Shipping Weight: 0.8 ounces
- Domestic Shipping: Item can be shipped within U.S.
- International Shipping: This item is not eligible for international shipping. Learn More
- ASIN: B005Z6FL80
- Item model number: K39523US
- Average Customer Review: 173 customer reviews
- Date first available at Amazon.com: October 26, 2011
Kindle Fire PowerBolt Duo USB Car Charger with USB Cable by Kensington
We don't know when or if this item will be back in stock.
- Two USB power ports
- 2.1 Amp USB port has the power to charge your Kindle Fire
- 1 Amp USB port charges your smarthphone or other device
- Included micro-USB to USB cable lets you charge your Kindle Fire
- LED power indicator
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Top Customer Reviews
The Kindle Fire requires an electrical charging current of 1.8 A (1800 mA), so only chargers meeting current output of more than 1.8 A can charge it in reasonable amount of time. Many chargers on the market have output current of 2.1A. Make sure you see this specification on the product page. Kensington, Skiva, and Scosche all make car chargers that meet the 2.1 A requirement but are much more expensive.
The least expensive is by AmazonBasics, under $10.
AmazonBasics 2-Port USB Car Charger with 2.1 Amp Output (Black)
You also need a micro USB cable (for charging and data transfer):
AmazonBasics USB Cable - 2.0 A Male to Micro B (6 Feet / 1.8 Meters), $6
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. It is used for charging if the connection is between the Fire and a USB charger, or copying files from your computer to the Fire and vice versa, if the connection is between the Fire and your computer.
This charger has two USB ports that share the 2100 mA output, so if you want fast charging, use just one port to charge the Fire/iPad, and leave the other not used by anything else.
This combo costs $16, about half the cost of the Kensignton.Read more ›
While using my T-mobile HTC Amaze, I noticed that if I was using the GPS the phone would bleed power even connected. I'm sure many Android users have seen this behavior. I would receive a notice that the charge is not enough to keep the phone powered. The phone will eventually go to sleep in power saving mode.
Most of the 2.1 amp chargers that I've researched here seem to only work for Apple products. They will say also in the description for IPAD or IPHONE. From the reviews I've seen, they will NOT work for Android. They will power the device, but not at the full 2.1amp power.
There is also a fix, if you are willing to short the usb pins if you take the charger apart. I was looking for a product that would allow me a full operation of my phone without having to solder any contacts or take a charger apart.
As a stress test, I left my phone on overnight with all the wireless connections active. I woke up and noticed the phone was at 14% battery level. I proceeded to turn the screen brightness on max, and used the GPS mode. My HTC Amaze shortly threw the warning that my phone was not receiving enough power.
I was hoping since this device was intended for an Android (Kindle Fire) that it would output correctlty for my HTC Amaze. I'm sorry to report that this is not the case. I'll have to consider taking this charger apart, or returning it at this point.
So I've had this charger for awhile. My original test I used my original HTC phone/data cable.Read more ›
Most Recent Customer Reviews
It still works great after three years. I don't use it that much, but it's handy when I need it.Published 16 months ago by Serena
We travel alot and this allows me to use my kindle for the entire trip without powering down. You have to start with a full charge from home though as the car is a slower charge. Read morePublished 17 months ago by mbjst08041979