If you're in the market for a robust power bank that can keep up with the high power demands of gaming handhelds like the Steam Deck or ROG Ally X, Woot! has an unbeatable offer. You can snag the Anker PowerCore 737 24,000mAh 140W Power Bank for just $69.99. Amazon Prime members enjoy free shipping, while others pay a nominal $6. This price is the lowest we've seen for what we consider one of the top chargers for the Steam Deck and Asus ROG Ally X. Having used this power bank for over a year, I can attest to its durability; it's been through numerous flights and road trips and is still going strong.
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
Originally priced at $149.99, you can now save 53% and get it for $69.99 at Woot! The Anker 737 is a substantial device, measuring 4.6"x2.2"x2" and weighing 1.4lbs, making it more suitable for a travel bag or backpack 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 of power. This means it can provide 140W from a single port or a combined total of 140W across both ports, depending on the devices connected (e.g., 70W + 70W or 100W + 40W).
For gaming handhelds, the Steam Deck requires 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 simultaneously.
With a 20,000mAh battery equivalent to 74Whr and an 80% power efficiency rating, you get approximately 59Whr of usable charge. This capacity allows the power bank to fully 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 is why we recommend a minimum capacity of 20,000mAh for power-hungry gaming handhelds like the Steam Deck, Asus ROG Ally, and especially the Ally X.
The Anker 737 is TSA-approved
The TSA approves power banks under 100Whr for carry-on, and the Anker 737 fits safely within this limit at 74Whr. While its size might attract additional scrutiny, I've passed through many airport checkpoints with only one check at Tokyo NRT, and it was cleared without issues.
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