If you're in the market for a robust power bank to keep your power-hungry gaming handhelds like the Steam Deck or ROG Ally X charged, you're in luck. Amazon is currently offering a stellar deal on the Anker PowerCore 737 24,000mAh 140W Power Bank, available for just $49.99. This exceptional offer comes through Woot, an Amazon-owned marketplace vendor, and represents a $20 saving over the last lowest price we tracked. Having personally used this power bank for several years, across numerous flights and road trips, I can attest to its durability and reliability; it remains in pristine condition.
Anker 737 24,000mAh 140W Power Bank for $49.99
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 a top choice for charging the Steam Deck due to its high capacity and powerful output. This substantial power bank, measuring 4.6"x2.2"x2" and weighing 1.4lbs, is best suited 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 full speed, whether using one port at 140W or splitting the power across both, such as 70W + 70W or 100W + 40W.
For gaming handhelds, the Steam Deck supports 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, you get approximately 59Whr of usable charge. This means you can fully charge a Steam Deck or Asus ROG Ally (40Whr) about 1.5 times, an Asus ROG Ally X (80Whr) about 0.75 times, and a Nintendo Switch (16Whr) around 3.7 times. This capacity underscores why a 20,000mAh power bank is essential for devices like the Steam Deck and Asus ROG Ally, particularly the Ally X.
The Anker 737 is TSA-approved
The TSA allows power banks under 100Whr in carry-on luggage, and the Anker 737, with its 74Whr capacity, fits this requirement comfortably. While its size may attract additional scrutiny at airport checkpoints, my personal experience, including a single check at Tokyo NRT, confirms that it passes without issues.
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