Save 50% Off the Best Anker Power Bank for Steam Deck and Asus ROG Ally X

Need a power bank that can keep up with your power-hungry gaming handheld, like the Steam Deck or ROG Ally X? Woot! has the perfect deal: the Anker PowerCore 737 24,000mAh 140W Power Bank for just $69.99. Amazon Prime members enjoy free shipping; otherwise, add $6 for shipping. This is the lowest price we've seen for this top-rated charger. I've used this power bank extensively over a year, including numerous flights and road trips, and it's still going strong!

Anker 737 24,000mAh 140W Power Bank for $69.99

Anker 737 PowerCore 24K 24,000mAh Power Bank with 140W USB Type-C Power Delivery

$149.99 $69.99 at Woot! (Save 53%)

The Anker 737 is a substantial power bank (4.6"x2.2"x2", 1.4lbs), ideal for travel bags or backpacks. It features two USB Type-C ports and one USB Type-A port. The USB Type-C ports offer up to 140W power delivery—either 140W from a single port or a combined 140W across both (e.g., 70W + 70W, 100W + 40W).

This power bank easily charges various gaming handhelds at their maximum rates: Steam Deck (up to 38W), Asus ROG Ally (up to 65W), Asus ROG Ally X (up to 100W), and Nintendo Switch (up to 18W). You can even play and charge simultaneously.

A 20,000mAh battery translates to approximately 74Whr. With an 80% power efficiency (standard for power banks), you get about 59Whr of usable charge. This means you 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 highlights why a 20,000mAh capacity is essential for power-hungry handhelds like the Steam Deck, ROG Ally, and especially the Ally X.

TSA-Approved

The Anker 737 (74Whr) meets TSA carry-on requirements for power banks (under 100Whr). While its size might prompt occasional checks, I've personally passed through numerous checkpoints with only one check (at Tokyo NRT) and cleared without issue.

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