Anker 737 Power Bank: Now $49.99, Save 70%

If you're in the market for a power bank that can keep up with the high demands of gaming handhelds like the Steam Deck or ROG Ally X, Amazon is currently offering a fantastic deal. You can snag the Anker PowerCore 737 24,000mAh 140W Power Bank for just $49.99. This deal is being offered by Woot, which is owned by Amazon, and it's $20 less than the lowest price we've previously seen. As someone who has used this power bank for several years across multiple flights and road trips, I can confidently say it's still in excellent condition and highly recommend it.

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 one of our top picks for charging the Steam Deck. This power bank is on the larger side, measuring 4.6"x2.2"x2" and weighing 1.4lbs, making it 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, with the Type-C ports capable of delivering up to 140W of power. This can be split between the ports, for example, 70W + 70W or 100W + 40W, depending on the devices connected.

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 PowerCore 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 considering an 80% power efficiency, you get about 59Whr of usable charge. This means the power bank can fully charge a Steam Deck or Asus ROG Ally 1.5 times, an Asus ROG Ally X 0.75 times, and a Nintendo Switch about 3.7 times. This capacity is why we believe a 20,000mAh power bank is the minimum you should consider for power-hungry devices like these.

The Anker 737 is TSA-approved

The TSA allows power banks up to 100Whr in carry-on luggage (not permitted in checked bags). At 74Whr, the Anker 737 falls well within this limit. While its size might draw attention during security checks, I've personally traveled through many airports, including Tokyo NRT, and have only been checked once, passing without issues.

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