If you're in the market for a power bank that can keep up with the high demands of gaming handhelds like the Steam Deck or ROG Ally X, Amazon currently has an incredible deal on the Anker PowerCore 737. You can snag this 24,000mAh, 140W power bank for just $49.99, a steal that's $20 less than its previous lowest price. Woot, which is owned by Amazon, is offering this deal. Having used this power bank for several years, I can confidently say it's a reliable choice; it's accompanied me on numerous flights and road trips and remains in top condition.

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

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

The Anker 737 is a top pick for charging the Steam Deck. This substantial power bank measures 4.6"x2.2"x2" and weighs 1.4lbs, making it more suited 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 USB Type-C ports capable of delivering up to 140W. This allows for flexible power distribution, such as 140W from a single port or a combination like 70W + 70W or 100W + 40W across both ports.

For gaming handhelds, the Steam Deck charges at up to 38W, the Asus ROG Ally at 65W, the Asus ROG Ally X at 100W, and the Nintendo Switch at 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 (equivalent to 74Whr), and considering an 80% power efficiency, you get approximately 59Whr of usable charge. This means the power bank can charge a Steam Deck or Asus ROG Ally (both 40Whr) 1.5 times, an Asus ROG Ally X (80Whr) 0.75 times, and a Nintendo Switch (16Whr) about 3.7 times. This demonstrates why a 20,000mAh capacity is essential for power-hungry devices like the Steam Deck and Asus ROG Ally, especially the Ally X.

The Anker 737 is TSA-approved

The TSA approves power banks up to 100Whr for carry-on luggage (they're not allowed in checked bags). At 74Whr, the Anker 737 comfortably meets this requirement. While its size might prompt a check at airport security, it should pass without issues. I've personally gone through numerous checkpoints and was only checked once at Tokyo NRT, clearing without any problems.

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