Iniu 20,000mAh Power Bank Now $9.99 on Amazon

Amazon's Spring Sale is your golden ticket to snag the highly-rated INIU 20,000mAh power bank at a jaw-dropping price of just $9.99 after clipping the 50% off coupon on the product page. Finding a 20,000mAh power bank for under $10 is a rare gem, especially one with a solid 22.5W Power Delivery over USB Type-C, which can fast charge devices like the Nintendo Switch. INIU power banks are not only well-reviewed but also more budget-friendly compared 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 packs a hefty 20,000mAh, or 74Whr battery capacity. Considering an 80% power efficiency, you can expect to fully recharge your gaming handhelds approximately:

• 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 allows for charging the Nintendo Switch at its maximum rate of 18W, and it can also charge the iPhone 16 at nearly its fastest rate, with ChargerLAB confirming a maximum of 30W for the Pro Max model.

With such a compact size, you won't need to worry about airport restrictions. The 20,000mAh capacity is well under the TSA's 27,000mAh limit for carry-on luggage. Plus, its dimensions of 5.3 x 1 x 2.7 inches make it discreet and easy to carry.

Looking for more options? Explore the best power banks for travel.

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