Anker 737 Power Bank Drops to $49.99 with 70% Discount

For those seeking a robust Anker power bank to support high-power gaming devices like the Steam Deck or ROG Ally X, Amazon currently offers an exceptional deal. You can purchase the Anker PowerCore 737 24,000mAh 140W Power Bank for only $49.99. Sold by Woot, an Amazon-owned vendor, this price is roughly $20 lower than our previously reported best deal, making it an unbeatable offer. I’ve used this power bank for years, taking it on numerous flights and road trips, and it remains in excellent condition.

Anker 737 24,000mAh 140W Power Bank for $49.99

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

The Anker 737 ranks among our top picks for Steam Deck chargers. This substantial power bank, sized at 4.6"x2.2"x2" and weighing 1.4lbs, is better suited for a travel bag or backpack than a pocket. It features two USB-C ports and one USB-A port, with the USB-C ports delivering up to 140W of power. This allows a single port to provide 140W or both ports to share 140W, such as 70W + 70W or 100W + 40W, depending on connected devices.

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, even supporting simultaneous play and charging for the ROG Ally X.

With a 20,000mAh capacity, equivalent to 74Whr, and an 80% efficiency rating (typical for power banks), it provides about 59Whr of usable charge. This enables the power bank to fully charge a Steam Deck (40Whr) or Asus ROG Ally (40Whr) approximately 1.5 times, an Asus ROG Ally X (80Whr) about 0.75 times, and a Nintendo Switch (16Whr) around 3.7 times. This makes a 20,000mAh capacity the minimum recommended for power-intensive gaming handhelds like the Steam Deck, Asus ROG Ally, and especially the Ally X.

TSA-Compliant Anker 737 Power Bank

TSA regulations permit power banks up to 100Whr for carry-on luggage, with check-in prohibited. At 74Whr, the Anker 737 complies with these rules. Its sturdy design may prompt inspection, but it typically clears without issue. I’ve passed through multiple airport checkpoints with it, facing scrutiny only once at Tokyo NRT, where it was cleared effortlessly.