As part of its Spring Sale, Amazon is offering the highly-rated INIU 20,000mAh power bank at an incredible price of just $9.99 after you clip the 50% off coupon on the product page. Scoring a 20,000mAh power bank for under $10 is a rare deal, especially one that delivers a solid 22.5W of Power Delivery over USB Type-C, which is fast enough to charge a Nintendo Switch at its optimal rate. INIU power banks are known for their quality and are more budget-friendly than comparable 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 sufficient to charge the Nintendo Switch at its fastest rate of 18W and can charge the iPhone 16 nearly at its maximum rate, which ChargerLAB has shown to cap at 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 won't raise any concerns at airports, as its 20,000mAh capacity is well below the TSA's 27,000mAh carry-on limit.
Looking for more options? Check out the best power banks for travel.
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