Although Prime Day has ended, a standout deal for Nintendo Switch 2 owners remains—courtesy of INIU. Normally priced at $39.99, the 45W INIU 20000mAh Power Bank is now just $20.34 when you apply code Y7R7A2A7 at checkout.
This represents a discount of over 55% for a charger that delivers high-speed 45W PD 3.1 charging, supports three devices simultaneously, and features a smart LED display showing remaining power and recharge time.
INIU 45W 20000mAh Bank with Build in USB-C Cable
Was $39.99 | Save 49% | Now $20.34 at Amazon | Use code 'Y7R7A2A7'
This compact power bank comes with a built-in USB-C cable and triple-device charging. It can charge an iPhone 16 up to 70% in just 25 minutes.
Weighing only 13.1 ounces, it's significantly lighter than INIU's 27,000mAh model (22 ounces), making it ideal for travel, minimalist packing, or budget-conscious shoppers.
With the Nintendo Switch 2's internal battery rated at 5220mAh, this power bank lets you quickly jump back into Mario Kart World or the new Donkey Kong Bananza.
For a smaller yet still capable option, INIU’s 45W 10,000mAh power bank is also on sale at Amazon for just $11.65 after applying a 47% off coupon.
Iniu 10,000mAh 45W Power Bank with Detachable USB Type-C Cable
Was $29.99 | Save 61% | Now $11.65 at Amazon
This model features a 10,000mAh (37Wh) battery. Assuming 80% power efficiency, here’s how many full charges you can expect for popular devices:
Nintendo Switch (16Wh): ~1.9 charges
Steam Deck (40Wh): ~0.74 charges
Apple iPhone 16 (14Wh): ~2.1 charges
Apple iPhone 16 Plus (18Wh): ~1.6 charges
Nintendo Switch 2 (20Wh): ~1.5 charges
