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Anker Astro Pro2 Universal 20000mAh Multi-Voltage Laptop External Battery

4.2 out of 5 stars 559 customer reviews

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  • 20000mAh of capacity, provides 1 full charge to most laptops or approximately 9 cycles to most smartphones.
  • Reliable lithium polymer battery ensures quality. More than 500 recharges over its lifetime.
  • Equipped with two outputs for greater versatility: 1 DC 12V / 4A, 16V / 3.5A or 19V / 3A port and 1 USB 5V / 2.1A port.
  • Slim and stylish aluminum body ensures efficient heat dissipation, lighter weight, and durability. 4 smart LEDs keep you updated as to the remaining capacity.
  • Package contents: 1 Anker® Astro Pro2 20000mAh External Battery, 4 phone connectors, 10 laptop connectors, 1 USB cable, 1 DC power cable, 1 AC 100-240V power adapter, 1 accessories pouch, 1 user manual.

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Product description

Need to charge more than just your mobile phone? Invest in greater, more versatile power with the Anker Astro Pro2.

A beast of a battery.
When a standard external battery just won't cut it, reach for the Astro Pro2. Packed with 20000mAh of capacity, this is one portable power pack that's able to charge most phones 9 times, tablets more than once or a laptop one time.

Hugely versatile.
Choose from between DC 12V / 4A, 16V / 3.5A, 19V / 3A and USB 5V / 2.1A outputs for greater accessibility. The three voltage selections enable this external battery to charge laptops (that meet compatibility requirements) – in addition to virtually all USB-charged devices.

Laptop compatibility requirements (both must be met), Please check to ensure compatibility before purchasing:
1) Voltage input: 11.5-12.5V, 15.5-16.5V or 18.5-19V.
2) A laptop connector that fits your device's power input port (see below).

Included laptop connector tip sizes (outer x inner diameter in mm):
A – 6.00×4.25 – Sony VAIO
B – 6.25×3.00 – Toshiba Satellite A105, M35
C – 5.50×2.10 – Toshiba T1950, T4700 / Acer Aspire 1200
D – 4.75×1.70 – ASUS Eee 900, 1000
E – 5.50×1.70 – Acer Aspire One AO722 AO725
F – 5.50×2.50 – ACER Aspire 1600, 5610
G – 4.00×1.70 – HP Mini 1000/ 1100 Series
H – 5.00×3.25 – Samsung N130, N310
J – 7.40×5.00 – HP Pavilion DV6 / HP G60, G61/ HP Compaq CQ60, CQ61 / HP 550 / Dell inspiron 1525, E1505
K – 7.90×5.40 – ThinkPad T60, X60, R60

Get to know us.
The Anker® Astro external battery has been voted #1 in class by thousands of online reviewers, while our renowned customer service has made us a fan-favorite across the web. Every sale includes an 18-month, worry-free guarantee to prove the importance we set on quality. After all, we're customers too.

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