$21 Power Bank: Fast Charge Switch, Steam Deck, Asus ROG Ally Multiple Times

If you're on the hunt for an affordable power bank to fast charge your Nintendo Switch, Steam Deck, or Asus ROG Ally gaming handheld, then you won't want to miss today's deal. Amazon is offering the INIU 20,000mAh Power Bank with up to 65W of Power Delivery over USB Type-C for just $21.59 after you clip the 40% off coupon on the product page. If the coupon isn't visible, try using the promo code "WN9GQJRA". INIU power banks are known for their solid reviews and are generally less expensive than similar Anker models. This specific model has garnered over 2,600 reviews on Amazon, boasting an impressive 4.5-star average and a Fakespot "B" rating.

INIU 20,000mAh 65W USB Power Bank

Iniu 20,000mAh 65W USB Power Bank for $21.59

Original Price: $44.99, Save 52%

Use code 'WN9GQJRA'

This Iniu power bank comes equipped with a robust 20,000mAh, or 74Whr battery capacity. Assuming an 80% power efficiency, here's how many full recharges you can expect for each gaming handheld:

• 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

The Iniu power bank features three output ports: one 65W USB Type-C port, one 36W USB-Type-C port, and one USB Type-A port with up to 18W of power. The 65W USB port is sufficient to charge most gaming handhelds at their fastest rate. For devices like the ROG Ally X and Lenovo Legion Go that support higher charging rates, this power bank matches the charging speed of their official power bricks. Typically, power banks at this price point only offer up to 20-30W of Power Delivery, making this deal particularly noteworthy.

Additionally, this power bank is an excellent choice for charging the Apple iPhone 16, as ChargerLAB has indicated that the maximum charging rate for even the Pro Max model tops out at about 30W.

Need something even cheaper?

INIU 10,000mAh USB Power Bank

$8.99 at Amazon

Original Price: $24.99, Save 64%

You can snag this 10,000mAh power bank for only $8.99 after clipping the 10% off and 40% off coupons on the product page. Deals like this, where a 10,000mAh power bank is under $10, are rare, so act fast. This power bank can charge a Nintendo Switch from 0% to 100% approximately 1.9 times.

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