Best Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones]

Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones]

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Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones] Reviews

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Customer Rating:
Rating: 5.0

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Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones] Overview:

High capacity: 50Wh 13600~14000mAh / 3.7V, Add 5 hours + notebook usage time, 2 - 3 hours laptop usage time, or up to 42 hours of use for mobile phones / MP3 / PDAs
Portable & practical design; Easily fits into your bag to provide instant power; Charge your devices anytime and anywhere
Two output ports to dual charge different devices; Charge your connected devices, while charging the battery simultaneously; LED indicates remaining power and device battery state
Dimension: 6.77 x 3.35 x 0.87 inches, Input: 8V ~ 20V; Output: 5V / 6V / 7.5V / 9V / 12V / 14V / 16V / 19V / 4~4.5A; USB 5.25~5.4V / 2.0A
Package includes: MP3450D External Battery / 8 laptop connectors / 1 Power output cord / 1 AC adapter / 1 leather case / 1 punching bag / 1 instruction manual (VCD) - 24 * 7 Email Support / 18 Months Warranty

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Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones] Reviews

2 of 2 people found the following review helpful

Impressive External Battery, April 15, 2012

Dr. Bojan Tunguz (Indiana, USA) - See all my reviews

This review is from: Universal 50Wh 14000mAh Dual Output External Battery Backup and Charger for iPhone 4S / 4 / 3GS, iPad, iPad 2, the New iPad (iPad 3); Laptop: HP, HP Pavilion, HP Compaq Presario, HP MINI / Asus eee pc / Acer Aspire / Toshiba Dynabook UX Series, Satellite Series, Gateway M ML T Series / Sony Vaio; Notebooks, Most Android Phones, Digital Cameras and Camcoders - Black [18 Months Warranty] [Improved Version than Astro Family, with 8 Optional Voltage for Laptop and USB 2A for Android Phones] (Wireless Phone Accessory)

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... Read more

external battery, March 11, 2012

kevinmcc1979 - See all my reviews

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