Anker 2nd Gen Astro Pro2 (20,000mAh) Quick Review: It Might Be Overkill, But It's Good Overkill

The trend with external batteries is to make them smaller and more portable while packing in as much capacity as possible. The new second generation Anker Pro2 doesn't so much eschew that trend as it takes the capacity thing way to the extreme. This external battery has a whopping 20,000mAh capacity, which obviously impacts the size. Still, it's somewhat slim for having so much juice. Should you make the room?

Specs

• Capacity: 20,000mAh


• Output: USB: 4.5A (max), DC: 9V / 2A or 12V / 1.5A


• Input: 12V / 2A


• Weight: 510g / 18oz


• Size: 113 x 168 x 16mm / 4.4 x 6.6 x 0.6in


• Price: $79.99 (Amazon)

The Good

• Huge capacity


• Roughly 80% efficiency


• Solid aluminum build


• Three USB ports


• DC output


• LCD battery gauge

The Bad

• LCD is a little underutilized


• A few included DC adapters would be nice


• Very low drain devices might stop charging


• Big and heavy

Design

The Anker Astro Pro2 is not as svelte as many of the external batteries out there – you're not likely to haul it around on a daily basis.

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Anker 2nd Gen Astro Pro2 (20,000mAh) Quick Review: It Might Be Overkill, But It's Good Overkill was written by the awesome team at Android Police.

by Ryan Whitwam via Android Police - Android News, Apps, Games, Phones, Tablets » Reviews