If you're on the hunt for a high-capacity power bank that won't break the bank, you'll want to take advantage of this fantastic deal from Amazon. Currently, you can snag the Iniu 20,000mAh 22.5W Power Bank for just $11.99. To get this price, make sure to clip the 50% off coupon on the product page and enter the coupon code "UDC86U7K" at checkout. It's rare to find a 20,000mAh power bank at such a low price, especially one that supports up to 22.5W of power through a USB Type-C port, which is perfect for fast-charging devices like the Nintendo Switch. Iniu power banks are well-regarded and generally more affordable than similar Anker models.
Iniu 20,000mAh 22.5W USB Power Bank

Iniu 20,000mAh Power Bank for $11.99
- Original Price: $32.99
- Discount: 64%
- Final Price: $11.99 at Amazon
- Coupon Code: UDC86U7K
This Iniu power bank comes with a robust 20,000mAh (74Whr) battery capacity. With an 80% power efficiency, here's how many full charges you can expect for various devices:
- Nintendo Switch (16Whr): Approximately 3.7 times
- Steam Deck (40Whr): Approximately 1.9 times
- Asus ROG Ally (40Whr): Approximately 1.9 times
- Asus ROG Ally X (80Whr): Approximately 1 time
- Lenovo Legion Go (50Whr): Approximately 1.5 times
- Apple iPhone 16 (14Whr): Approximately 4.2 times
- Apple iPhone 16 Plus (18Whr): Approximately 3.3 times
The power bank features three output ports: one 22.5W USB Type-C port and two USB Type-A ports that support QuickCharge 4. The USB Type-C port can charge the Nintendo Switch at its maximum rate of 18W and the iPhone 16 at nearly its fastest rate, with ChargerLAB indicating a maximum of 30W for the Pro Max.
Travelers will be pleased to know that this power bank's 20,000mAh capacity is well within the TSA's 27,000mAh carry-on limit, ensuring you won't face any issues at airports. Additionally, Iniu offers a reassuring 3-year warranty with your purchase.
For those interested in other options, be sure to explore the best power banks for travel.
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