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

As part of its Spring Sale, Amazon is offering the popular 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 with a robust 22.5W Power Delivery over USB Type-C, which is sufficient for fast charging devices like the Nintendo Switch. INIU power banks are known for their solid reviews and offer great value compared to similar models from Anker.

INIU 20,000mAh 22.5W USB Power Bank

Original Price: $29.99
Discount: 67%
Final Price: $9.99 at Amazon

This INIU power bank features a substantial 20,000mAh, or 74Whr battery capacity. Assuming an 80% power efficiency, here's how many full recharges you can expect for various gaming handhelds:

• Nintendo Switch (16Whr): approximately 3.7 times
• Steam Deck (40Whr): approximately 1.9 times
• Asus ROG Ally (40Whr): approximately 1.9 times
• Asus ROG Ally X (80Whr): approximately 1 time
• Lenovo Legion Go (50Whr): approximately 1.5 times

The power bank is 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 the fastest possible charging of the Nintendo Switch at 18W and nearly the maximum rate for the iPhone 16, which caps at 30W according to ChargerLAB.

With its compact size of 5.3 x 1 x 2.7 inches, this power bank is easy to carry and won't raise any concerns at airports, as it falls well below the TSA's 27,000mAh carry-on limit.

For those interested in more options, be sure to check out the best power banks for travel.

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