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Anker 2nd Gen Astro3 12800mAh External Battery for Smart Phones - Black

4.6 out of 5 stars 2,145 customer reviews
| 321 answered questions

This item at this price, sold by Amazon.com, is currently reserved exclusively for Prime members.

Prime free trial and invitee customers: We will automatically apply an Amazon.com Gift Card to your Gift Card Balance in the amount equal to the Prime exclusive discount after you become a paid Prime member. If you cancel your paid Prime membership or return the qualifying smartphone within the first 3 months of your paid Prime membership, we may void your Gift Card or charge you in the amount of the Gift Card. Terms and Conditions apply.
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We don't know when or if this item will be back in stock.
  • PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 4 amps overall or 4 amps per port.
  • 12000 mAh of capacity and an energy efficiency rate 10% above previous generation Astros and many current standard alternatives charges the iPhone six times and large-capacity phones like the Galaxy S4 almost four times.
  • A "shake" starts a charge or displays the remaining power level. The ultra-low power consumption (100000 shakes consume less than 1%) 10-LED power meter balances accuracy and aesthetics.
  • Sturdy construction and matte finish withstand bumps and drops. Grade A cells and premium chips ensure reliability. Input: 5V / 2A; Use a 2A adapter (not included) with the included USB cable for the fastest charging time (9 hours).
  • Package contents: Anker® 2nd Generation Astro3 External Battery, webbed travel bag, micro USB cable, user manual. (Apple adapters and Samsung 30-pin adapter not included)

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From the Manufacturer

PowerCore+ Mini 2nd Gen Astro Portable Charger 2nd Gen Astro3 Portable Charger Astro E4 Portable Charger Astro E5 Portable Charger Astro E7 Portable Charger
PowerCore+ Mini Portable Charger 2nd Gen Astro Portable Charger 2nd Gen Astro3 Portable Charger Astro E4 Portable Charger Astro E5 Portable Charger Astro E7 Portable Charger
Color Selection Black, Silver, Pink, Blue, Gold Black, White, Blue, Green, Yellow Black, White Black, White Black, White Black, White
Battery Capacity 3350 mAh 6400 mAh 12800 mAh 13000 mAh 16000 mAh 26800 mAh
No. of iPhone 6 charges 1.2 2.5 5.0 5.0 6.2 10.0
No. of iPad Air charges 0.3 0.5 1.0 1.0 1.3 2.0
No. of USB Charging Ports 1 1 3 2 2 3
PowerIQ Technology
Max Charging Speed 1 A 2 A 4.5 A 3 A 3 A 4 A
Size 3.5 × 0.9 × 0.9 inches (lipstick) 3.7 x 1.8 x 1.0 in (candybar) 4.4 × 3.3 × 1.0 in (hipflask) 5.9 × 2.5 × 0.9 inches (glasses case) 5.9 × 2.5 × 0.9 inches (glasses case) 6.5 × 3.1 × 0.9 inches (Galaxy Note 4)
Weight 2.7 oz (egg) 4.8 oz (baseball) 10.6 oz (iPad mini) 10.4 oz (iPad mini) 10.4 oz (iPad mini) 15.8 oz (football)

Product Features

  • Size (LWH): 4.37 inches, 3.27 inches, 1.02 inches
  • Weight: 10.56 ounces
  See more technical details

Product description

ANKER: Amazon’s #1 Charging Brand • The highest average review rating of any charging brand. • One in three chargers sold on Amazon is from us. • Join the 6 million+ satisfied customers powered by Anker. Anker® 2nd Generation Astro3 External Battery Recasting the possibilities of mobile power. PowerIQ™ Detects your device. Delivers the fastest charge. Exclusive to Anker, PowerIQ™ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge. Huge Capacity With a massive 12,800mAh, charge an iPhone 6 five times, a large capacity phone like the Galaxy S5 over three times or an iPad Air once. Superior Quality We use only premium LG cells, together with the most advanced materials and cutting-edge technology, to ensure complete safety. Ultra Compact The size of a small hipflask. Now upgraded with higher density cells and efficiency 10% above the industry average to put more power in the same, slim design. World Famous Warranty At Anker, we believe in our products. That’s why we back them all with an 18-month warranty and provide friendly, easy-to-reach support. For Optimal Use: • Use the included cable, your original cable or a third-party certified one (such as MFi). • Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, HP TouchPad, LG G2, Asus tablets and some GPS and Bluetooth devices.


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