$21 Power Bank: Fast Charges Switch, Steam Deck, ROG Ally

Hunting for a budget-friendly power bank that can swiftly charge your Nintendo Switch, Steam Deck, or Asus ROG Ally? Look no further! Amazon's offering the INIU 20,000mAh Power Bank with up to 65W Power Delivery via USB Type-C for just $21.59. That's after you clip the 40% off coupon on the product page (if you don't see it, try promo code "**WN9GQJRA**"). INIU power banks consistently receive positive reviews and undercut comparable Anker models in price. This particular model boasts 2,600 Amazon reviews, averaging 4.5 stars, and a Fakespot "B" rating.

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

$44.99 $21.59 at Amazon (Use code 'WN9GQJRA')

This INIU power bank packs a substantial 20,000mAh (74Whr) battery. Considering approximately 80% power efficiency, here's how many full charges you can expect:

• 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 features three output ports: a 65W USB Type-C port, a 36W USB-C port, and an 18W USB Type-A port. The 65W USB-C port is fast enough for most gaming handhelds. Even devices requiring higher charging speeds (like the ROG Ally X and Lenovo Legion Go) will charge at the same rate as their official power bricks. Power banks in this price range typically only support 20-30W Power Delivery, making this a standout deal.

It's also a great choice for your Apple iPhone 16, as ChargerLAB testing shows a maximum charging rate of around 30W, even for the Pro Max.

Need Something Even Cheaper?

$24.99 $8.99 at Amazon

This 10,000mAh power bank is available for only $8.99 after applying the stacked coupons. Finding a 10,000mAh power bank under $10 is rare, so grab it while you can! It'll charge a Nintendo Switch from 0% to 100% about 1.9 times.

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