Amazon's Spring Sale brings you an incredible deal on the INIU 20,000mAh power bank, now available at a rock-bottom price of just $9.99. To snag this bargain, simply clip the 50% off coupon on the product page. 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 sufficient to fast-charge your Nintendo Switch. INIU power banks are renowned for their quality and positive reviews, offering a more affordable alternative to 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 AmazonThis INIU power bank packs a hefty 20,000mAh, or 74Whr battery capacity. With an 80% power efficiency rate, here's how many full charges you can expect for popular gaming handhelds:
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 timesEquipped with three output ports, including a 22.5W USB Type-C and two USB Type-A ports that support QuickCharge 4+, this power bank can charge your Nintendo Switch at its fastest 18W rate. It also charges the iPhone 16 nearly at its maximum speed, with ChargerLAB tests showing a cap at 30W for the Pro Max model.
Its compact size, measuring 5.3 x 1 x 2.7 inches, makes it perfect for travel. With a capacity well under the TSA's 27,000mAh carry-on limit, you can take it on flights without worry. Plus, its small size means it's unlikely to draw attention.
For more travel-friendly power solutions, explore our guide on the best power banks for travel.
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