| | |  | iPhone Accessories | Home » » Anker Astro2 Dual USB Output 8400mAh External Battery Pack and Charger with Flashlight for iPhone 4 / 4S / 3GS, iPad, iPad 2, The New iPad (iPad 3), iPod (require your own cable for Apple); Android Smartphones: (Samsung Galaxy S2 / Galaxy Nexus / Galaxy Note, HTC Sensation One X, Nokia N9 lumia 900 800); PSP; MP3 / MP4 / MP5 Players and More Mobile Devices - Black | | | | | | | Product Promotions: | | | | | Description: | | Anker - Extend limits
Anker focuses on portable energy field, provides rechargeable batteries, chargers and other accessories for consumer electrics. Now Anker brand is associated with high performance and reliability.
Compatible model:
Apple: iPhone 4S (AT&T, Verizon, Sprint) / iPhone 4 (AT&T, Verizon) / iPhone 3GS / iPod Touch Classic Nano
HTC: One X / T-Mobile Sensation 4G / Sensation XE XL / Amaze 4G / Radar 4G / EVO 3D 4G / Inspire 4G / Vivid 4G / Wildfire S / ThunderBolt / Incredible 2 S / Rezound / Desire HD S Z
Samsung: I9000 / Galaxy S II I9100 / T-Mobile Galaxy S II T989 / AT&T Galaxy S II I777 / AT&T Galaxy S II Skyrocket SGH-I727 / Sprint Galaxy S II Epic 4G Touch / Galaxy Nexus Prime / Galaxy Note / Focus S / Infuse
Motorola: Atrix 2 / Triumph / Photon 4G / Verizon Droid 3 X X2 Bionic Razr
LG: Vortex / Revolution / Quantum / Thrill 4G / Rumer Touch / P500 / GT540 / GW620 / GX500 / KP500 / Optimus V S T 2X 3D 7
Nokia: N900 / N9 / N8 / N97 / C6 / C3 / E71 / E72 / Lumia 900 800
Others: Blackberry Bold 9900 / Sony Ericsson Xperia Arc S / 3G 4G mobile WIFI hotpot / PSP / Nook Color / MP3 MP4 MP5
Note:
Please use your own cable for APPLE
iPhone/iPad/iPod tips are not included as Apple has the patent.
Amazon Top Rated:
Anker has 4 products listed in the top 10 in the Amazon list of top rated batteries during the last few weeks. You could follow steps below to see the "Amazon Top Rated" page.
click"Best Sellers"→click "Accessories"→click "Batteries"→click "See Top 100" | | | Features: | |
• High Capacity, 8400mAh; Add 33 hours of talk time to your iPhone 3G / 4G / 4GS; 4 full charges for iPhone, or 400% - 600% to most mobile phones' battery life
• Compact, portable & stylish design; Easily fits into your bag - to provide instant power; Charge your devices anytime, and anywhere
• Reliable Lithium-ion battery ensures high quality; 500 + recharge cycles over the life of the battery
• LED indicates charge level; 2 USB ports for fast dual charge; Flashlight for night & low light use; Press the power button twice to turn it on / off; Input: 5V 1A; Output: USB 5V 0.6A / 1A
• Package includes: Anker External Battery / 5 connectors for most phones / 2 extension charge cable (70CM and 15CM) / 1 AC cube adapter - 18 months warranty / 24 * 7 Email support
| | | Product Details: | | | Package Length:
| 8.6 inches | | Package Width:
| 4.6 inches | | Package Height:
| 1.7 inches | | Package Weight:
| 0.75 pounds | | Average Customer Rating:
|  based on 82 reviews |
| |
Most "cell phone accessories" shipped worldwide. All "cell phones" ship from wholesale warehouse in USA.
| | Customer Reviews: | |
Average Customer Review:
 ( 82 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
26 of 26 found the following review helpful:
Well built and attractive quality battery pack.Jan 19, 2012
By r.garcia
After using this battery pack for about a week, I make the following observations, in order of personal significance:
1. Build quality: The battery pack feels, in a word, solid. There is no flimsy plastic deflection if you press on it and no creaky or uneven seams.
2. Looks: The pack looks great. Yes it is a fingerprint magnet, but it also wipes cleanly to a beautiful gloss to match most smartphones out there.
3. Utility: Very versatile. One port for smartphone and most usb powered gadgets, the other higher amperage port for more power hungry devices, like tablets. I've even used this to charge AA batteries with a usb AA charger. There's nothing I've tried that this won't charge. Also has a built in led "flashlight," but more on this later.
4. Convenience: This pack will charge easily with any usb charger. Standard micro usb connector means you won't have to go searching for a special cable to plug this in and charge it. This pack will also charge as you are using it. This may seem silly if you're at home, plugging this into your computer or power supply, and your phone into the batter, but if you ever use this with a portable solar charger, as I am with the Goal 0 Zero 19010 Guide 10 Plus Adventure Kit Nomad 7 Solar Charger & 4 AA Battery USB Power Pack, then it is great to charge while the battery pack as per the available light, while still being able to charge your device with the battery pack with reserve and stable power. The led light is also very convenient. Not very bright but it's there and charged up when you need a quick light in the dark, and most importantly, so you can see your cable as you plug it into your device (great for iphone, as there really is no way to feel which side is up or down on the charger cable)
5. Support, Brand Name: Honestly I never heard of the brand name. At first glance, it seems like just an "off-brand" made in china product, and the packaging and manual even has chinese alongside english. But the packaging is attractive and not a generic box like you typically see with other generic products. While I have not yet had to call on the company for support, the quality packaging and literature would lead me to believe that this company is out to make a name for itself, and therefore would be responsive. We shall see. The instructions, on the other hand, were terrible. Very engrishy. But the product is so simple and well designed, that I didn't need the instructions.
Final observations: Again, great product, feels very solid and seems to be of high quality. No problems yet, charges everything. Worth the money.
15 of 15 found the following review helpful:
Best of the bunch for travelJan 27, 2012
By Liberal Republical
Lots of devices need more than 1A to charge but there are very few battery packs that will put out that much current. In fact there are few 12V-5V converters that will do that. This battery pack has both the capacity and current output (2A) to charge pretty much anything that takes 5V - phones or tablets. I like the charge indicators and also the flashlight, for emergencies. The instructions were in both chinese and english - and they were adequate. I tried the battery on an iPhone, Kindle Fire and HP Touchpad. All charged correctly. Note that there are two USB outputs - one is limited to 0.6A and the other to 2A. Use the higher current for tablets.
9 of 9 found the following review helpful:
Works as expectedDec 28, 2011
By B
Purchased the Anker external battery pack for my Samsung Skyrocket 4G LTE phone. The battery pack has already saved me on 2 occasions when I ran out of juice before the day was over! I even plugged up my ipad to it and i still haven't had to recharge it.
The only function of the device that can be improved is the flashlight. It is difficult to turn on and off..and slow to respond so I wind up pushing the on/off button multiple times not knowing if I'm pushing it hard enough. Once you get the flashlight to turn on, it is difficult to turn off and I end up having to push and hold on to the power button for a long time before it will respond. But, this is no big deal as I bought this battery to backup my phone, not use as a flashlight. I can always use the flashlight on my phone.
Overall, I am very happy with the purchase and would recommend it to anyone looking for a portable battery pack for their power hungry smartphone!
6 of 6 found the following review helpful:
The best bang for your buckDec 12, 2011
By S. carico
Ive tried 5 external battery packs and this one is the best by far. sleek design, well constructed and truley puts out 8400mah like it says. The best bang for your buck.
4 of 4 found the following review helpful:
Impressive External BatteryApr 15, 2012
By Dr. Bojan Tunguz
Astro 2 external battery by Anker is one of the most powerful, versatile and reliable external batteries that I've come across. It has met or exceeded most of my expectations for such a device. I would strongly recommend it as a travel backup battery for most small electronic devices.
***** The Specs *****
This 8400 mAh battery has one DC 5V 1A input, and two outputs: DC 5V 0.6 A and DC 5V 1 A. The specified input charging time is 6-7 hours, and in my own test I've verified this to be an accurate estimate. The total number of rechargings is specified to be 500, but for obvious reasons I've not been able to test this claim.
***** Battery Capacity *****
At 8400 mAh, Astro2 is the largest-capacity external USB battery that I've ever tested. It has enough capacity to charge an iPhone or any similar small electronic device at least a couple of times. For a less power-hungry device (plain vanilla cell phone, Kindle, etc.) you can expect to get at least full charges from this battery. The two charging outputs have different charging rates, but either one will be able to charge your device in a two to three hours max. I have tested the charger with Morolar Razr, Motoroal Krzr, Amazon's third and fourth generation Kindle, iPhone 3G, iPhone 4S, and the first generation iPad. It performed more than adequately with all of those devices.
In order to get a good, intuitive feel for the charge capacity of this external battery I subjected it to the "iPad test." That is, I try charging my first generation iPad form the fully discharged state in order to see how much "juice" am I able to get. iPad is the largest electronic device that I can think of that would still qualify (barely) into the small-electronics category. (A MacBook Air would definitely be out.) The verdict: I was able to charge the iPad to about 56% capacity. This is, thus far, the most I've been able to get out of any such external battery. It took this battery about two hours to charge it to this level. This means that you'll be able to watch several movies on a trans-oceanic flight and still be able to use your iPad when you land.
***** Accessories *****
The battery comes with a built-in power adapter, two USB cords, one PSP charge adapter, one Nokia adapter, and a micro and mini USB adapters. This versatility of adapter heads means that you'll be able to use this battery with most cellphones and small electronic devices that are popular right now, but the owners of the iOS devices need to remember to use their own Apple USB cord. I wish that the battery came with a small carrying bag or a pouch to put all these accessories in, as I find myself losing these kinds of accessories more often than I care to admit. The battery has a small built-in led flashlight, but I personally don't have much of a need for such a thing.
***** Design and Build *****
The battery sports a slick cool design, and it looks and feels very modern. It doesn't feel cheep, and it will definitely not look out of place with the latest and coolest electronic gizmos. It's a bit on a heavy side, so I'd not recommend carrying it in your pocket or in a purse all the time.
***** The Bottom Line *****
If you are a frequent traveler and carry more than one small electronic device with you all the time, or tend to go on longer trips to places without an easy access to a wall outlet (camping, long flights) then this charger is a must for you. It will keep all of your devices charged for a reasonably long periods of time, and it will give you a peace of mind that you'll never be in a situation where you run out of power. Astro 2 battery is compact and durable, and it will serve well all of your portable charging needs.
See all 82 customer reviews on Amazon.com
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