As part of its Spring Sale, Amazon is offering an incredible deal on the popular INIU 20,000mAh power bank, now available for just $9.99 after applying a 50% off coupon on the product page. Finding a 20,000mAh power bank for under $10 is a rare opportunity, especially one that boasts a robust 22.5W Power Delivery over USB Type-C, which is more than enough to fast charge your Nintendo Switch. INIU power banks are known for their solid performance and affordability, making them a more budget-friendly 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 Amazon
This INIU power bank comes with a substantial 20,000mAh, or 74Whr battery capacity. When you consider an 80% power efficiency, here's how many full charges you can expect to get 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's equipped with three output ports: one 22.5W USB Type-C port and two USB Type-A ports that support QuickCharge 4+. This setup is sufficient to charge your Nintendo Switch at its fastest rate of 18W and can charge the iPhone 16 nearly at its peak speed, with ChargerLAB tests showing the maximum rate at 30W for the Pro Max.
With such a compact power bank, you won't have to worry about airport regulations. The 20,000mAh capacity is well within the TSA's 27,000mAh carry-on limit. Plus, its size at just 5.3 x 1 x 2.7 inches means it's easy to slip into your bag without drawing attention.
Looking for more options? Check out the best power banks for travel.
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