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

As part of its Spring Sale, Amazon is offering the highly-rated INIU 20,000mAh power bank at an unbeatable price of just $9.99, after you clip the 50% off coupon on the product page. Finding a 20,000mAh power bank for under $10 is a rare deal, especially when it boasts a solid 22.5W Power Delivery over USB Type-C, which is fast enough to charge your Nintendo Switch at its maximum speed. INIU power banks are known for their strong performance and affordability, often priced lower than 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 features a substantial 20,000mAh or 74Whr battery capacity. Considering an 80% power efficiency, here's how many times you can fully recharge 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 allows for charging the Nintendo Switch at its fastest rate of 18W and the iPhone 16 at nearly its maximum rate, as ChargerLAB tests have shown a cap at 30W for the Pro Max.

With such a compact size, this power bank is perfect for travel. At 20,000mAh, it's well within the TSA's 27,000mAh carry-on limit, and its 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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