Iniu 20,000mAh Power Bank Drops to $11.99

For those seeking a high-capacity power bank without breaking the bank, Amazon's latest offer is worth considering. The Iniu 20,000mAh 22.5W Power Bank is now available for just $11.99 after applying the 50% discount coupon on the product page and entering promo code UDC86U7K. Affordable 20,000mAh power banks with 22.5W USB-C fast charging (ideal for Nintendo Switch) are rare—especially from reputable brands like Iniu, which offers comparable quality to Anker at lower prices.

Iniu 20,000mAh Power Bank: Only $11.99

Don't Forget to Clip the 50% Discount Coupon

INIU 20,000mAh 22.5W USB Power Bank

List: $32.99 | Save 64% | Just $11.99 at Amazon with code 'UDC86U7K'

With its robust 20,000mAh (74Wh) capacity and accounting for 80% efficiency, this power bank delivers multiple charges for popular devices:

• Nintendo Switch (16Wh): ~3.7 charges
• Steam Deck (40Wh): ~1.9 charges
• Asus ROG Ally (40Wh): ~1.9 charges
• Asus ROG Ally X (80Wh): ~1 full charge
• Lenovo Legion Go (50Wh): ~1.5 charges
• iPhone 16 (14Wh): ~4.2 charges
• iPhone 16 Plus (18Wh): ~3.3 charges

Featuring three ports—one 22.5W USB-C and two QuickCharge 4-enabled USB-A—it supports fast charging for Switch (18W) and nearly max speeds for iPhone 16 Pro Max (tested up to 30W). Plus, its capacity complies with TSA carry-on limits (under 27,000mAh), and Iniu backs it with a 3-year warranty.

Need alternatives? Explore our top travel power bank picks.