Amazon's Spring Sale is bringing you an incredible deal on the popular INIU 20,000mAh power bank, now available for just $9.99 after clipping the 50% off coupon on the product page. This is a rare opportunity to snag a high-capacity 20,000mAh power bank for under $10, especially one that delivers a solid 22.5W of Power Delivery through a USB Type-C port—perfect for fast charging your Nintendo Switch. INIU power banks are renowned for their solid reviews and offer a cost-effective alternative to similar Anker models.
INIU 20,000mAh Power Bank for $9.99
Clip the 50% Off Coupon### INIU 20,000mAh 22.5W USB Power Bank
0$29.99 save 67%$9.99 at AmazonThis INIU power bank comes with a substantial 20,000mAh, or 74Whr battery capacity. Considering an 80% power efficiency, here's how many full charges you can expect for various gaming handhelds:
- Nintendo Switch (16Whr): about 3.7 times
- Steam Deck (40Whr): about 1.9 times
- Asus ROG Ally (40Whr): about 1.9 times
- Asus ROG Ally X (80Whr): about 1 time
- Lenovo Legion Go (50Whr): about 1.5 times
It features three output ports: a 22.5W USB Type-C port and two USB Type-A ports with QuickCharge 4+ support. This setup is ideal for charging your Nintendo Switch at its fastest rate of 18W, and it can also charge the iPhone 16 close to its maximum rate, as ChargerLAB has demonstrated the peak at 30W for the Pro Max model.
With its compact size, this power bank won't raise any concerns at airports, as its 20,000mAh capacity is well within the TSA's 27,000mAh carry-on limit. Measuring just 5.3 x 1 x 2.7 inches, it's easy to carry without drawing attention.
For those looking for additional choices, don't miss our guide on the best power banks for travel.
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