This Best Anker Power Bank for Steam Deck Is Also the Best Black Friday Power Bank Deal
As part of the Amazon Black Friday Sale, you can pick up the Anker PowerCore 737 24,000mAh 140W Power Bank at the best price I've ever seen. Right now theprice is down to $79.99 after a nearly 50% off discount. This is one of the best Steam Deck and Asus ROG Ally X chargers you can get. I've actually owned this power bank for over a year now for ROG Ally and my kids' Switches; it has been on multiple flights and road trips and is still lasting strong.
The Anker 737is a hefty power bank, measuring 4.6"x2.2"x2" and weighing in at 1.4lbs. This is something you'd put in your travel bag or backpack instead of your pocket. It has two USB Type-C ports and one USB Type-A port. The USB Type-C ports support a maximum of 140W of power delivery. That means a single port could deliver 140W, or both ports will deliver a combination of 140W depending on which devices are plugged in (for example, 70W + 70W or 100W + 40W).
In terms of gaming handhelds, the Steam Deck supports up to 38W of charging, the Asus ROG Ally up to 65W, the Asus ROG Ally X up to 100W, and the Nintendo Switch up to 18W. That means the Anker Prime can easily charge all three gaming handhelds – even the ROG Ally X – at their maximum rate; you'll even be able to play and charge simultaneously.
A 20,000mAh battery equates to a 74Whr capacity. An 80% power efficiency rating (which is about standard for power banks) gives you about 59Whr of available charge. That means this power bank will charge a Steam Deck (40Whr) or Asus ROG Ally (40Whr) from empty to completely full 1.5 times, an Asus ROG Ally X (80Whr) 0.75 times, and a Nintendo Switch (16Whr) about 3.7 times. You can see here why we think a 20,000mAh capacity should be the bare minimum for more power hungry gaming handhelds like the Steam Deck and Asus ROG Ally (and especially the Ally X).
TSA states that power banks must be under 100Whr in capacity for carry-on (check-in is not allowed under any circumstances). This Anker Prime is safely under that at 74Whr. You
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