Amazon's Spring Sale is bringing you an unbeatable deal on the INIU 20,000mAh power bank, now available for just $9.99 after clipping the 50% off coupon on the product page. Snagging a 20,000mAh power bank for under $10 is a rare find, especially one that offers a solid 22.5W Power Delivery over USB Type-C, which is perfect for fast charging your Nintendo Switch. INIU power banks are known for their reliable performance and are more budget-friendly 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 comes with a substantial 20,000mAh, or 74Whr battery capacity. Considering 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 features three output ports: one 22.5W USB Type-C port and two USB Type-A ports that support QuickCharge 4+. This setup is capable of charging your Nintendo Switch at its maximum rate of 18W and can charge the iPhone 16 nearly at its fastest rate, with ChargerLAB indicating a maximum of 30W for the Pro Max model.

With its compact size of 5.3 x 1 x 2.7 inches, this power bank is easy to carry and well within the TSA's 27,000mAh limit for carry-on luggage, so you won't have to worry about airport security. Its small size also means it's unlikely to draw much attention.

If you're looking for more options, be sure to check out the best power banks for travel.

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