If you're in the market for an Anker power bank that can keep up with the power demands of high-performance gaming handhelds like the Steam Deck or ROG Ally X, Woot! is currently offering an unbeatable deal. 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 nominal $6. This is the lowest price we've seen for what we consider one of the top chargers for the Steam Deck and Asus ROG Ally X. Having owned this power bank for over a year, I can attest to its durability—it's been on numerous flights and road trips and is still going strong.
Originally priced at $149.99, you can now save 53% and get it for $69.99 at Woot! The Anker 737 is a robust power bank, with dimensions of 4.6"x2.2"x2" and a weight of 1.4lbs. It's 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. The USB Type-C ports can deliver up to 140W of power. This means a single port can provide 140W, or both can be used in combination to deliver 140W, adjusting based on the devices connected, such as 70W + 70W or 100W + 40W.
For gaming handhelds, the Steam Deck can charge 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, allowing for simultaneous play and charge.
A 24,000mAh battery translates to a 74Whr capacity. With an 80% power efficiency rating, which is standard for power banks, you get about 59Whr of usable charge. This means the power bank can fully charge a Steam Deck (40Whr) or Asus ROG Ally (40Whr) about 1.5 times, an Asus ROG Ally X (80Whr) about 0.75 times, and a Nintendo Switch (16Whr) approximately 3.7 times. This highlights why a 24,000mAh capacity is essential for more demanding gaming handhelds like the Steam Deck, Asus ROG Ally, and especially the ROG Ally X.
The TSA allows power banks under 100Whr in carry-on luggage (they're not permitted in checked bags). At 74Whr, the Anker 737 is well within this limit. Its substantial size might attract additional scrutiny, but it should clear security without issues. I've personally passed through numerous airport checkpoints with this power bank and was only checked once at Tokyo NRT, where it was cleared without any problems.
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