If you're in the market for an affordable power bank that can fast charge your Nintendo Switch, Steam Deck, or Apple iPhone 16, then you'll want to take advantage of today's 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 model has received high praise from users, boasting around 460 reviews with a 4.6-star average and an impressive "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
Savings: 54%
Final Price: $18.31 at Amazon
Use code: 'HCUGVQU8'
This INIU power bank features a robust 20,000mAh, or 74Whr battery capacity. Accounting for an 80% power efficiency, here's how many full charges you can expect for various 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 is equipped with three output ports: a built-in 45W USB Type-C cable, a 45W USB Type-C port, and a USB Type-A port with up to 18W of power. The 45W Power Delivery ensures that your Nintendo Switch (18W) and Steam Deck (40W) charge at their fastest possible rates. It's also an excellent choice for your Apple iPhone 16, as ChargerLAB has confirmed that the maximum charging rate for even the Pro Max model caps at around 30W.
A notable feature of this power bank is the built-in cable, which is often found in more expensive models. This eliminates the need to carry an extra USB Type-C cable when you're on the go. The cable can be clipped onto the power bank to form a convenient lanyard. The cable itself is sturdy, with a break strength of 44 pounds, while the lanyard loop has a break strength of 13 pounds when attached to the power bank.
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