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$18 Power Bank: Fast Charge Switch, Deck, iPhone 16 Multiple Times

Author:Kristen Update:Apr 18,2025

If you're in the market for an affordable power bank that can fast charge your Nintendo Switch, Steam Deck, or Apple iPhone 16, today's deal is not to be missed. Amazon is offering the INIU 20,000mAh Power Bank with up to 45W of Power Delivery over USB Type-C for just $18.31 after applying the promo code "HCUGVQU8". This model has garnered about 460 reviews on Amazon, boasting an impressive 4.6-star average and an "A" rating from Fakespot.

INIU 20,000mAh 45W USB Power Bank

INIU 20,000mAh 45W USB Power Bank for $18.31

Original Price: $39.99
Discount: 54%
Final Price: $18.31 at Amazon
Use code: 'HCUGVQU8'

This INIU power bank comes with a robust 20,000mAh, or 74Whr battery capacity. With an 80% power efficiency, here's how many times you can expect to fully recharge your devices:

  • Nintendo Switch (16Whr): about 3.7 times
  • Steam Deck (40Whr): about 1.9 times
  • Apple iPhone 16 (14Whr): about 4.2 times
  • Apple iPhone 16 Plus (18Whr): about 3.3 times

The power bank features three output ports: one built-in 45W USB Type-C cable, one 45W USB Type-C port, and one USB Type-A port with up to 18W of power. The 45W of Power Delivery ensures that your Nintendo Switch (18W) and Steam Deck (40W) charge at their fastest rate. It's also an excellent choice for charging your Apple iPhone 16, as ChargerLAB has confirmed that the maximum charging rate for even the Pro Max model tops out at about 30W.

The integrated cable is a standout feature often found in newer, more expensive power banks, eliminating the need to carry an additional USB Type-C cable. On the go, the USB plug can be clipped onto the power bank to create a convenient lanyard. The cable is notably durable, with a break strength of 44 pounds, and the lanyard loop, when attached to the power bank, has a break strength of 13 pounds.

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