If you're in the market for a power bank that can keep up with the energy demands of high-performance gaming handhelds like the Steam Deck or ROG Ally X, Amazon currently has an unbeatable deal on the Anker PowerCore 737. You can snag this 24,000mAh 140W Power Bank for just $49.99, offered through Woot, which is owned by Amazon. This price undercuts our last reported lowest by about $20, making it the best deal we've seen. I've personally used this power bank for years, taking it on numerous flights and road trips, and it 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 pick for charging devices like the Steam Deck. This power bank is on the larger side, measuring 4.6"x2.2"x2" and weighing 1.4lbs, making it ideal for travel bags or backpacks rather than pockets. 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 allows for flexible charging options: a single port can output 140W, or both can be used to deliver a combined 140W, such as 70W + 70W or 100W + 40W, depending on your devices.
For gaming handhelds, the Steam Deck can charge at up to 38W, the Asus ROG Ally at 65W, the Asus ROG Ally X at 100W, and the Nintendo Switch at 18W. The Anker 737 can charge all these devices at their maximum rates, allowing you to play and charge simultaneously without any issues.
With a 24,000mAh capacity (equivalent to 74Whr), and assuming an 80% power efficiency, you get around 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 makes it an excellent choice for more demanding gaming handhelds.
The Anker 737 is TSA-approved
The Anker 737 falls well within TSA regulations, with a capacity under 100Whr, which is perfect for carry-on luggage. Although its size might draw attention at security checkpoints, I've personally traveled with it through numerous airports and only encountered a single check at Tokyo NRT, where it was cleared without issues.
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