This $18 Power Bank Can Fast Charge Your Nintendo Switch, Steam Deck, or iPhone 16 Multiple Times

Author: Patrick Mar 31,2025

If you're in the market for an affordable power bank that can fast charge your Nintendo Switch, Steam Deck, or Apple iPhone 16, don't miss out on today's incredible deal. 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 highly-rated model has garnered about 460 reviews on Amazon with an impressive 4.6-star average and a Fakespot "A" rating.

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

INIU 20,000mAh 45W USB Power Bank

Original Price: $39.99
Discounted Price: $18.31 at Amazon
Use code: 'HCUGVQU8'

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

  • 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 Power Delivery ensures the fastest charging rate for both the Nintendo Switch (18W) and Steam Deck (40W). It's also an excellent choice for your Apple iPhone 16, as ChargerLAB has shown that the maximum charging rate tops out at around 30W, even for the Pro Max model.

A standout feature of this power bank is the built-in cable, typically found on more expensive models. This convenient addition means you won't need to carry an extra USB Type-C cable when you're on the move. The cable can be clipped onto the power bank to create a handy lanyard. It's also quite durable, boasting a break strength of 44 pounds, while the lanyard loop has a break strength of 13 pounds.

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