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  4. NovaPort DUOⅡ 45W2C Review: The World’s Smallest Dual Charger

NovaPort DUOⅡ 45W2C Review: The World’s Smallest Dual Charger

2025 12/21
Charger
CIO Product Introduction
Mar 25, 2026
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JP EN FR ES 中 한 DE 繁 VI ID ไท हि PT

CIO’s latest model, the “NovaPort DUOⅡ 45W2C,” is one of the world’s smallest 45W fast chargers equipped with two USB-C ports.
It is compact and portable, supporting not only smartphones and tablets but also lightweight laptops. Furthermore, it features new technology for suppressing power interruptions and improving safety.

What you’ll learn in this article!

  • NovaPort DUOⅡ 45W2C Specs
  • NovaPort DUOⅡ 45W2C Evaluation
  • Overall Assessment
Overall Assessment of the NovaPort DUOⅡ 45W2C
NovaPort DUOⅡ 45W2C
Overall Rating
( 4.5 )
Pros
  • World-class compact size and ultra-lightweight design
  • Maximum 45W output supports smartphones, tablets, and light laptops
  • Dual-port simultaneous charging with automatic power distribution
  • High safety with NovaSafety 2.0 temperature monitoring and power interruption suppression
  • Scratch-resistant textured finish and premium design
  • Foldable plug for easy portability
Cons
  • No USB-A port; inconvenient for users of legacy devices
  • Potential for slower speeds when charging two devices simultaneously due to 45W total limit
Recommended for these people
  • People who want to carry a lightweight charger for business trips or travel
  • People who own multiple USB-C devices
  • People whose primary use is charging smartphones and tablets
  • People who prioritize safety
CIO NovaPort DUOⅡ 45W USB-C 2ポート PD 急速Chargers [世界最小級 NovaIntelligence NovaEngine搭載] ACアダプター Type-C iPhone 15/16 Android Galaxy Macbook iPad向け ノートPC (ホワイト)
CIO
¥3,480 (2026/04/30 10:49時点 | Amazon)
See Reviews
Amazon
Rakuten
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Pochipp
Author of this article: “Mr. Gadget”
  • Studied under Masatoshi Ono, a million-selling singer who has performed at Kohaku Uta Gassen
  • Experience supervising for Ameba Choice and the web media Picky’s
  • Individual member of the Word of Mouth Marketing Association
Nice to meet you!
  • The images used in this article are press release materials provided by PR TIMES as a media user.
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NovaPort DUOⅡ 45W2C Specs

A 45W output charger placed on the desk of a person using a laptop
Click here for the spec sheet
Details
Product NameNovaPort DUOⅡ 45W2C (CIO)
ColorsBlack / White
Number of PortsUSB-C x2
Max Output (Single Port)Max 45W (Supports USB PD 3.0 / PPS)
Output when used simultaneouslyMax 45W total (30W+15W or 20W+20W)
SizeApprox. 45 x 33 x 29 mm
WeightApprox. 69 g
Key Technologies– NovaIntelligence (Automatic power distribution) – NovaEngine (GaN adopted, heat suppression) – NovaSafety 2.0 (Temperature monitoring, power interruption suppression)
Additional FeaturesFoldable plug, textured body, insulated plug

NovaPort DUOⅡ 45W2C Evaluation

Highlights of this section!

  • Evolutionary points
  • World-class compact size for easy portability
  • Maximum 45W output for a wide range of devices
  • Optimized for simultaneous dual-device charging
  • Enhanced safety
  • Design and durability
  • No USB-A port
  • Limitations during simultaneous charging

Evolutionary points

Comparison between NovaPort DUO II and the previous version NovaPort DUO; NovaPort DUO II is about 7 percent smaller

Compared to the previous “NovaPort DUO 45W,” the volume has been reduced by approximately 7%. Furthermore, it is equipped with “NovaSafety 2.0,” which enhances power interruption suppression and temperature monitoring, significantly improving stability.

Ms.Gadgets

How is it different from the previous model?

Mr.Gadgets

The main differences are the miniaturization and the evolution of safety features. In particular, power interruption suppression directly impacts daily ease of use.

World-class compact size for easy portability

Introductory image of CIO's new technology NovaEngine; technology using two stacked GaN chips

Lightweight design at just 45 x 33 x 29 mm and 69g. It is easy to carry for business trips, travel, or working at a cafe, fitting easily into the gaps in a bag.

Mr.Gadgets

It fits in the palm of your hand, about the size of two 500-yen coins. It is also lighter than a smartphone, making it easy to carry around.

Maximum 45W output for a wide range of devices

Maximum 45W output when using a single port. It can handle fast charging for iPhones and Android smartphones, as well as iPads and lightweight laptops.

Ms.Gadgets

Can it charge a MacBook Pro?

Mr.Gadgets

It will work, but 45W is insufficient, so the charging speed will be slow. It can be used comfortably for Air-class devices.

Optimized for simultaneous dual-device charging

A black charger simultaneously charging an iPhone at 20W and AirPods at 5W

Equipped with two USB-C ports. With automatic power distribution of 30W+15W or 20W+20W, you can efficiently charge devices like a smartphone and earphones, or a tablet and a smartwatch simultaneously.

Mr.Gadgets

Since it automatically distinguishes devices using CIO’s proprietary “NovaIntelligence,” you don’t need to worry about which port to plug into.

Enhanced safety

Power plug of the black charger
  • Constant temperature monitoring via NovaSafety 2.0
  • Prevention of charging drops via power interruption suppression
  • Insulated plug reduces risk of tracking fires

NovaPort DUOⅡ

Design and durability

The surface features a textured finish similar to a camera body. It is scratch-resistant and looks premium. The flat design allows it to be plugged into wall outlets stably.

Ms.Gadgets

Is there any point to the textured finish?

Mr.Gadgets

Beyond just looks, it has the effect of making fine scratches and fingerprints less noticeable, allowing you to use it cleanly for a long time.

No USB-A port

Rough surface of a product like a black charger with two ports lined up vertically and the CQ logo

Designed exclusively for USB-C. If you frequently use USB-A cables for older smartphones or peripherals, you will need a conversion adapter.

Ms.Gadgets

Is it inconvenient to not have USB-A?

Mr.Gadgets

While USB-C is the mainstream for recent devices, it can be inconvenient for those who frequently use older accessories that only have USB-A.

Limitations during simultaneous charging

When using two devices simultaneously, the total output is limited to 45W. It is comfortable for about two smartphones, but speeds may drop when charging devices like a laptop and a tablet.

Overall Assessment

Highlights of this section!

  • Recommended for these people

The NovaPort DUOⅡ 45W2C is an ultra-compact 2-port fast charger that can comfortably charge not only smartphones and tablets but also lightweight laptops.

NovaPort DUOⅡ 45W2C
Overall Rating
( 5 )
Pros
  • World-class compact size and ultra-lightweight design
  • Maximum 45W output supports smartphones, tablets, and light laptops
  • Dual-port simultaneous charging with automatic power distribution
  • High safety with NovaSafety 2.0 temperature monitoring and power interruption suppression
  • Scratch-resistant textured finish and premium design
  • Foldable plug for easy portability
Cons
  • No USB-A port; inconvenient for users of legacy devices
  • Potential for slower speeds when charging two devices simultaneously due to 45W total limit

Recommended for these people

  • People who want to carry a lightweight charger for business trips or travel
  • People who own multiple USB-C devices
  • People whose primary use is charging smartphones and tablets
  • People who prioritize safety
CIO NovaPort DUOⅡ 45W USB-C 2ポート PD 急速Chargers [世界最小級 NovaIntelligence NovaEngine搭載] ACアダプター Type-C iPhone 15/16 Android Galaxy Macbook iPad向け ノートPC (ホワイト)
CIO
¥3,480 (2026/04/30 10:49時点 | Amazon)
See Reviews
Amazon
Rakuten
Yahoo Shopping
Pochipp
  • The images used in this article are press release materials provided by PR TIMES as a media user.

Thank you for reading until the end!

  • The evaluation in this article is unique to this site.
  • Unless otherwise specified, product prices and information are current as of the time of writing.
  • Please note that this site cannot be held responsible for any inaccuracies in this information.
  • Product and service names mentioned on this site are trademarks of their respective companies.

This article was originally written in Japanese and has been translated.

Charger
CIO Product Introduction

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