If you're in the market for a robust power bank to fuel your high-demand gaming handhelds like the Steam Deck or ROG Ally X, Amazon currently has an unbeatable deal on the Anker PowerCore 737. This 24,000mAh, 140W power bank is available for just $49.99, a steal compared to its usual price. Woot, the marketplace vendor owned by Amazon, is offering this deal, which is $20 less than the last time we highlighted it. As a long-time user of this power bank, I can attest to its durability and reliability; it's been a trusty companion on numerous flights and road trips and remains in excellent condition.
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 our top pick for charging the Steam Deck. While it's on the larger side, measuring 4.6"x2.2"x2" and weighing 1.4lbs, it's perfect for your travel bag or backpack. 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 devices at 140W on a single port or split the power across both ports (e.g., 70W + 70W or 100W + 40W), depending on your needs.
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 a 74Whr capacity, and an 80% power efficiency rating, this power bank provides about 59Whr of usable charge. This means it can fully charge a Steam Deck or Asus ROG Ally 1.5 times, the Asus ROG Ally X 0.75 times, and a Nintendo Switch 3.7 times. This capacity is why we recommend at least 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 allows power banks under 100Whr in carry-on luggage, and the Anker 737, at 74Whr, comfortably meets this requirement. Although its size might attract additional scrutiny, I've only been checked once at Tokyo NRT and passed without issues, confirming its reliability for travel.
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