Amazon is currently offering the Kesguar 20,000mAh 22.5W Power Bank for $13.99 when using the coupon code "R4FWDMVI". This deal represents the lowest price to date for a 20,000mAh power bank and is available to all customers, not just Amazon Prime members. The discount applies at checkout even when the item is priced at its regular $25.98.
The Kesguar power bank measures 4.5 inches long, 2.6 inches wide, and 1 inch thick, featuring an aluminum shell. It provides three output options: an integrated 22.5W USB-C cable, a 22.5W USB-C port, and a USB-A port. The 22.5W output is sufficient to fast charge the Nintendo Switch or Switch 2 consoles, allowing for simultaneous charging and gameplay without depleting the device's battery. It can also fast charge smaller smartphones like the Apple iPhone 17 or the base Samsung Galaxy S26.
With a 20,000mAh (74Whr) battery capacity, the power bank can provide multiple charges for various handheld devices. Factoring in an estimated 80% power efficiency, it can fully recharge the Nintendo Switch approximately 3.7 times, the Switch 2 about 3.1 times, the Steam Deck around 1.5 times, the Apple iPhone 17 roughly 4.1 times, and the Apple iPhone 17 Pro Max nearly 3 times. The power bank is also compliant with TSA regulations, falling below the 100Wh limit for carry-on baggage.