If you're in the market for a reliable power bank that can keep up with the power demands of gaming handhelds like the Steam Deck or ROG Ally X, Woot! has a fantastic deal for you. You can grab the Anker PowerCore 737 24,000mAh 140W Power Bank for just $69.99. Amazon Prime members enjoy free shipping, while others pay a modest $6. This is the lowest price we've seen for this top-rated charger, ideal for both the Steam Deck and Asus ROG Ally X. Having used this power bank for over a year, I can attest to its durability and performance; it's been a reliable companion on numerous flights and road trips.
Anker 737 24,000mAh 140W Power Bank for $69.99

Anker 737 PowerCore 24K 24,000mAh Power Bank with 140W USB Type-C Power Delivery
30% $149.99 save 53% $69.99 at Woot!
The Anker 737 is a robust power bank, measuring 4.6"x2.2"x2" and weighing 1.4lbs, making it more suitable for your travel bag or backpack 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. This means you can charge at 140W from a single port or split the power between both ports, such as 70W + 70W or 100W + 40W, depending on your devices.
For gaming handhelds, the Steam Deck charges at up to 38W, the Asus ROG Ally at up to 65W, the Asus ROG Ally X at up to 100W, and the Nintendo Switch at up to 18W. The Anker 737 can charge all these devices at their maximum rates, allowing you to play and charge simultaneously without any issues.
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 a 20,000mAh power bank is the minimum recommended 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 under 100Whr for carry-on luggage, and the Anker 737, with its 74Whr capacity, fits comfortably within this limit. Although its size might prompt a check, it's been cleared without issues at numerous airports, including Tokyo NRT, based on my personal experience.
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