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As part of its Spring Sale, Amazon is offering an unbeatable deal on the INIU 20,000mAh power bank, slashing its price to a mere $9.99 after you clip the 50% off coupon on the product page. Scoring a 20,000mAh power bank for under $10 is a rare find, especially one that offers a solid 22.5W Power Delivery through a USB Type-C port, which is more than enough to fast charge a Nintendo Switch. INIU power banks are known for their strong reviews and are a more affordable 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 boasts a substantial 20,000mAh, or 74Whr battery capacity. With 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 comes 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 the Nintendo Switch at its fastest rate of 18W and can charge the iPhone 16 nearly at its peak speed, which, according to ChargerLAB, caps at 30W for the Pro Max.
With such a compact size, you won't have to worry about airport restrictions. The 20,000mAh capacity falls well below the TSA's 27,000mAh carry-on limit, and the INIU power bank's dimensions of 5.3 x 1 x 2.7 inches make it 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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