If you're on the hunt for a power bank that can keep up with the high demands of gaming handhelds like the Steam Deck or ROG Ally X, you're in luck. Amazon is currently offering an incredible deal on the Anker PowerCore 737 24,000mAh 140W Power Bank, priced at just $49.99. This deal is available through Woot, a marketplace owned by Amazon, and it's a significant $20 drop from the lowest price we've previously seen. As someone who has used this power bank for several years across numerous flights and road trips, I can confidently say it's still in top condition and highly recommend it.

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 is one of the top choices for charging devices like the Steam Deck. This power bank is on the larger side, measuring 4.6"x2.2"x2" and weighing 1.4lbs, making it more suitable for your travel bag or backpack rather than your 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 of power. This allows for configurations such as 140W from a single port, or a combination like 70W + 70W or 100W + 40W across both ports, depending on your plugged-in devices.

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, enabling you to play and charge simultaneously.

With a 24,000mAh battery, which translates to a 74Whr capacity, and considering an 80% power efficiency typical of power banks, you get about 59Whr of usable charge. This means the Anker 737 can fully charge a Steam Deck (40Whr) or Asus ROG Ally (40Whr) 1.5 times, an Asus ROG Ally X (80Whr) 0.75 times, and a Nintendo Switch (16Whr) about 3.7 times. This capacity underscores why a 20,000mAh minimum is recommended for power-hungry gaming handhelds like the Steam Deck and Asus ROG Ally, especially the Ally X.

The Anker 737 is TSA-approved

The Transportation Security Administration (TSA) permits power banks under 100Whr in carry-on luggage, and the Anker 737 fits comfortably at 74Whr. While its size might attract additional scrutiny, it should clear security checks without issues. From personal experience, I've only been checked once at Tokyo NRT and had no problems.

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