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

During Amazon's Spring Sale, you can snag the highly-rated INIU 20,000mAh power bank at an unbeatable 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 deal, especially one that supports 22.5W Power Delivery over USB Type-C, which is more than enough to fast charge devices like the Nintendo Switch. INIU's power banks are known for their solid performance and are generally more affordable than similar models from Anker.

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 robust 20,000mAh, or 74Whr battery capacity. With an 80% power efficiency, you can expect to fully recharge your gaming handhelds approximately as follows:

Nintendo Switch (16Whr) about 3.7 timesSteam Deck (40Whr) about 1.9 timesAsus ROG Ally (40Whr) about 1.9 timesAsus ROG Ally X (80Whr) about 1 timeLenovo Legion Go (50Whr) about 1.5 timesIt features three output ports: one 22.5W USB Type-C port and two USB Type-A ports that support QuickCharge 4+. This setup allows you to charge the Nintendo Switch at its maximum rate of 18W, and it can also charge the iPhone 16 near its fastest rate, with ChargerLAB showing that the iPhone 16 Pro Max caps at 30W.

The compact size of this power bank, at 5.3 x 1 x 2.7 inches, means you won't have to worry about it being an issue at airports. Its 20,000mAh capacity is well within the TSA's 27,000mAh limit for carry-on items, making it an ideal travel companion that'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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