If you're in the market for a robust power bank to keep your high-demand gaming handhelds like the Steam Deck or ROG Ally X juiced up, you're in luck. Amazon currently has an incredible deal on the Anker PowerCore 737 24,000mAh 140W Power Bank, priced at just $49.99. This deal is available through Woot, which is owned by Amazon, and it undercuts our previously reported lowest price by about $20. As a long-time user of this exact model, I can vouch for its durability and performance; it's been my go-to 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 a top choice for Steam Deck users. This power bank is on the larger side, 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. The Type-C ports can deliver up to 140W of power, which can be split between the ports as needed (e.g., 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 24,000mAh 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 (40Whr) or Asus ROG Ally (40Whr) 1.5 times, an Asus ROG Ally X (80Whr) 0.75 times, and a Nintendo Switch (16Whr) about 3.7 times. This capacity underscores why a 20,000mAh minimum is recommended for power-hungry gaming handhelds.
The Anker 737 is TSA-approved
The TSA approves power banks under 100Whr for carry-on luggage (check-in is prohibited). At 74Whr, the Anker 737 comfortably meets this requirement. While its size might prompt additional checks at airport security, it should clear without issues. I've personally passed through numerous checkpoints, including a single check at Tokyo NRT, without any problems.
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