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Don't run out of juice right in the middle of an intense Nintendo Switch 2 gaming session. Amazon is offering the Kesguar 20,000mAh 22.5W Power Bank for just $13.99 after coupon code "R4FWDMVI". This is the best price right now for a 20,000mAh power bank. You actually don't need to be an Amazon Prime member to get this deal; I've tried checking out at the regular price of $25.98 and the discount still successfully applies.
The Least Expensive 20,000mAh Power Bank
The Keguar 20,000mAh power bank measures 4.5" long, 2.6" wide, and 1" thick, which is quite small for this capacity. The aluminum shell gives it a premium feel and presumably also helps with heat dissipation. It has a total of 3 outputs: attached 22.5W USB-C cable, 22.5W USB-C port, and USB-A port. The 22.5W of power delivery is enough to fast charge your Nintendo Switch or Switch 2 console, which means you can charge and play simultaneously without draining the battery. It will also fast charge smaller phones like the Apple iPhone 17 or the base Samsung Galaxy S26.
How many times can you charge your device?
This Keguar power bank boasts a generous 20,000mAh, or 74Whr battery capacity. If you factor in 80% power efficiency, here are the approximate number of times you can fully recharge each gaming handheld:
- Nintendo Switch (16Whr) about 3.7 times
- Nintendo Switch 2 (19Whr) about 3.1 times
- Steam Deck (40Whr) about 1.5 times
- Apple iPhone 17 (14.3Whr) about 4.1 times
- Apple iPhone 17 Pro Max (19.8Whr) about 3 times
This power bank is also TSA-compliant since it is well under the 100Wh threshold.
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Eric Song is the IGN commerce manager in charge of finding the best gaming and tech deals every day. When Eric isn't hunting for deals for other people at work, he's hunting for deals for himself during his free time.
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