If you're in the market for an affordable and high-performance power bank that can fast charge your Nintendo Switch, Steam Deck, or Asus ROG Ally gaming handheld, today’s deal is definitely worth checking out. Amazon currently offers the **INIU 20,000mAh Power Bank** with up to **65W Power Delivery via USB Type-C** for just **$21.59** after applying the 40% off coupon on the product page (if it doesn’t auto-apply, try using promo code WN9GQJRA). INIU is known for delivering reliable and budget-friendly charging solutions, often compared favorably to more expensive options like Anker. This model has already earned over **2,600 reviews** on Amazon with a solid **4.5-star average rating**, and holds a Fakespot “B” grade—making it a trustworthy pick.
INIU 20,000mAh 65W USB Power Bank
- Price: $21.59 (was $44.99) — Save 52%
- Where: Amazon
- Promo Code: WN9GQJRA
This compact yet powerful device comes equipped with a robust **20,000mAh / 74Whr battery capacity**, making it ideal for extended gaming sessions on the go. Accounting for standard **80% efficiency**, here's how many full recharges you can expect from this power bank:
- Nintendo Switch (16Whr): ~3.7 times
- Steam Deck (40Whr): ~1.9 times
- Asus ROG Ally (40Whr): ~1.9 times
- Asus ROG Ally X (80Whr): ~1 time
- Lenovo Legion Go (50Whr): ~1.5 times
The INIU power bank features three output ports: a **65W USB Type-C port**, a **36W USB Type-C port**, and a **USB Type-A port** supporting up to **18W of power delivery**. The 65W port ensures your gaming handhelds charge at their fastest supported rate. Even for devices requiring higher wattage (like the ROG Ally X and Lenovo Legion Go), it matches the performance of their original chargers—a rarity in this price range, where most units cap at 20–30W PD.
Additionally, this power bank is well-suited for charging smartphones such as the Apple iPhone 16 lineup. ChargerLAB testing confirms that even the iPhone 16 Pro Max tops out around 30W, meaning the 65W port delivers optimal speed without any compromise.
Need Something More Budget-Friendly?
INIU 10,000mAh USB Power Bank
- Price: $8.99 (was $24.99) — Save 64%
- Where: Amazon
For those seeking a lighter option, this 10,000mAh model is available for only **$8.99** after stacking the 10% and 40% clippable coupons on the product page. It’s rare to find a 10,000mAh power bank under $10, so this is a great opportunity to grab one while it lasts. It can fully recharge a Nintendo Switch approximately **1.9 times**, perfect for short trips or emergency top-ups.
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