Tiny 20,000mAh Power Bank Hits $15 With Coupon

High-capacity power banks under $20 are a rare find, which makes today's deal even more exceptional. For a limited time, Amazon has the Iniu 20,000mAh Power Bank on sale for just $15.29 after an automatic 49% discount. With a 22.5W USB-C output, it reliably fast-charges devices like the Nintendo Switch 2, even during intense gaming sessions. Well-reviewed and reliably built, Iniu offers impressive performance at a price point often lower than premium brands like Anker.

Iniu 20,000mAh 22.5W USB Power Bank for $15.29

Iniu 20,000mAh 22.5W Power Bank

List Price $36.99 | Save 59% | Price $15.29 at Amazon

Packed with a substantial 20,000mAh (74Wh) capacity, this power bank is perfect for travel or long days out. Factoring in a standard 80% efficiency rate, here’s how many full charges it can provide for popular devices:

Nintendo Switch (16Wh): Approximately 3.7 charges Steam Deck (40Wh): Approximately 1.9 charges Apple iPhone 16 (14Wh): Approximately 4.2 charges Apple iPhone 16 Plus (18Wh): Approximately 3.3 charges

This model features a versatile three-port setup with two USB-C ports and one USB-A port. Its 22.5W Power Delivery output is more than sufficient to charge the Nintendo Switch and Switch 2 while gaming, as both consoles typically draw under 20W in handheld mode. Despite its large capacity, its form factor is relatively compact at 4.8" long and 2.8" wide (though it is 1.2" thick), and it weighs around 11 ounces. A convenient built-in USB-C cable eliminates the need to carry a separate charging cable.