Anker 737 Power Bank Now $49.99: Save 70% on 24,000mAh, 140W Model

If you're in the market for a power bank that can keep up with the demands of high-performance gaming handhelds like the Steam Deck or ROG Ally X, Amazon has an unbeatable deal for you. You can snag the Anker PowerCore 737 24,000mAh 140W Power Bank for just $49.99. This offer is from Woot, Amazon's marketplace vendor, and it undercuts our previously reported lowest price by about $20. Having used this power bank for several years across numerous flights and road trips, I can confidently say it's a reliable choice that remains in excellent condition.

Anker 737 24,000mAh 140W Power Bank for $49.99

Anker 737 PowerCore 24K 24,000mAh Power Bank with 140W USB Type-C Power Delivery

$149.99 save 67%
$49.99 at Amazon

The Anker 737 stands out as one of our top recommendations for Steam Deck users. This robust power bank measures 4.6"x2.2"x2" and weighs 1.4lbs, making it ideal for your travel bag or backpack rather than a pocket. It features two USB Type-C ports and one USB Type-A port, with the Type-C ports capable of delivering up to 140W. This means you can charge devices at 140W from a single port or split the power between ports (e.g., 70W + 70W or 100W + 40W).

For gaming handhelds, the Steam Deck supports up to 38W, the Asus ROG Ally up to 65W, the Asus ROG Ally X up to 100W, and the Nintendo Switch up to 18W. The Anker 737 can charge all these devices at their maximum rates, allowing you to play and charge at the same time.

With a 20,000mAh battery, equivalent to a 74Whr capacity, and an 80% power efficiency rating, you get about 59Whr of usable charge. This means the power bank can fully charge a Steam Deck or Asus ROG Ally 1.5 times, an Asus ROG Ally X 0.75 times, and a Nintendo Switch about 3.7 times. This capacity underscores why we recommend a minimum of 20,000mAh for power-hungry gaming handhelds like the Steam Deck and Asus ROG Ally, especially the Ally X.

The Anker 737 is TSA-approved

The TSA allows power banks under 100Whr in carry-on luggage (check-in is prohibited). At 74Whr, the Anker 737 comfortably meets this requirement. Although its size may attract attention at security checkpoints, my experience through multiple airports, including a single check at Tokyo NRT, confirms it clears without issues.

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