Home News $21 Power Bank: Fast Charges Nintendo Switch, Steam Deck, Asus ROG Ally Multiple Times

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

Author : Allison Update:May 15,2025

If you're in the market for an affordable power bank that can fast charge your Nintendo Switch, Steam Deck, or Asus ROG Ally gaming handheld, don't miss out on 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. To snag this deal, clip the 40% off coupon on the product page or use promo code "WN9GQJRA" if the coupon isn't visible. INIU power banks are known for their solid performance and affordability, often undercutting similar models from Anker. This specific model has garnered over 2,600 reviews on Amazon, boasting a 4.5-star average and a respectable Fakespot "B" rating.

INIU 20,000mAh 65W USB Power Bank

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

Originally priced at $44.99, you save 52% with this deal, bringing the cost down to $21.59 at Amazon. Use code 'WN9GQJRA' to unlock the discount.

This INIU power bank features a robust 20,000mAh, or 74Whr battery capacity. Considering an 80% power efficiency, you can expect to fully recharge your gaming handhelds approximately:

  • 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 power bank is equipped with 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 powerful enough to charge most gaming handhelds at their fastest rate. For devices that support even higher charging rates like the ROG Ally X and Lenovo Legion Go, it matches the speed of their official power bricks. Typically, power banks in this price range only offer up to 20-30W of Power Delivery, making this an exceptional deal.

Additionally, this power bank is ideal for charging your Apple iPhone 16, as ChargerLAB has confirmed that the maximum charging rate for even the Pro Max model caps at about 30W.

Need Something Even Cheaper?

INIU 10,000mAh USB Power Bank

You can grab this 10,000mAh power bank for just $8.99 after clipping the 10% off and 40% off coupons on the product page. It's rare to find 10,000mAh power banks for under $10, so act fast. This model can charge a Nintendo Switch from 0% to 100% about 1.9 times.

Why Should You Trust IGN's Deals Team?

IGN's deals team brings over 30 years of combined experience in sourcing the best discounts in gaming, tech, and beyond. We prioritize transparency and only highlight deals from trusted brands that our editorial team has tested. For more insight into our process, check out our deals standards. Stay updated with the latest deals by following IGN's Deals account on Twitter.

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