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  4. NovaPort DUOⅡ 45W2C | Explaining the capabilities of the world’s smallest 2-port fast charger

NovaPort DUOⅡ 45W2C | Explaining the capabilities of the world’s smallest 2-port fast charger

2025 12/21
Charger
CIO Product Introduction
Dec 21, 2025
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JP EN FR ES 中 한

CIO’s latest model, “NovaPort DUOⅡ 45W2C,” is a world’s smallest class 45W rapid charger equipped with two USB-C ports.
It is compact and easy to carry, and can charge not only smartphones and tablets but also lightweight laptops. Furthermore, it features instantaneous interruption suppression and improved safety with new technology.

What you will learn in this article!

  • Specifications of NovaPort DUOⅡ 45W2C
  • Evaluation of NovaPort DUOⅡ 45W2C
  • Overall Evaluation
Overall Evaluation of NovaPort DUOⅡ 45W2C
NovaPort DUOⅡ 45W2C
Overall Rating
( 4.5 )
Pros
  • Ultra-lightweight design with a world’s smallest class size
  • Maximum 45W output supports smartphones, tablets, and light laptops
  • Supports simultaneous charging of two ports with automatic power distribution
  • High safety with NovaSafety2.0 temperature monitoring and instantaneous interruption suppression
  • Shibo processing for scratch resistance and a luxurious design
  • Foldable plug for easy portability
Cons
  • USB-A not supported, inconvenient for users of older devices
  • Charging speed may decrease when charging two devices simultaneously, up to a total of 45W
Recommended for people like this
  • People who want to carry a lightweight charger on business trips or travel
  • People who own multiple USB-C devices
  • People whose main 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
¥4,380 (2026/03/18 01:47時点 | Amazon)
See Reviews
Amazon
\ポイント最大11倍!/
Rakuten
\ポイント5%還元!/
Yahoo Shopping
Pochipp
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Specifications of NovaPort DUOⅡ 45W2C

A desk with a person using a laptop and a 45W output charger placed on it
Specifications table is here
Content
Product NameNovaPort DUOⅡ 45W2C (CIO)
ColorBlack / White
Number of PortsUSB-C ×2
Maximum Output (Single Port)Maximum 45 W (USB PD 3.0 / PPS compatible)
Output when used simultaneouslyMaximum total 45 W (30W+15W or 20W+20W)
SizeApproximately 45 × 33 × 29 mm
WeightApproximately 69 g
Feature Technology– NovaIntelligence (Automatic Power Distribution) – NovaEngine (GaN adoption / heat suppression) – NovaSafety2.0 (Temperature monitoring / instantaneous interruption suppression)
Additional FunctionsFoldable plug, shibo processed body, insulated plug

Evaluation of NovaPort DUOⅡ 45W2C

Points of this heading!

  • Improved Points
  • Convenient to carry with a world’s smallest class size
  • Maximum 45W output supports a wide range of devices
  • Optimized for charging two devices simultaneously
  • Enhanced Safety
  • Design and Durability
  • USB-A not supported
  • Limitations when charging two devices simultaneously

Improved Points

Comparison of NovaPort DUO II and the old NovaPort DUO NovaPort DUO II is approximately 7% smaller

Approximately 7% smaller in volume than the previous “NovaPort DUO 45W”. In addition, it is equipped with “NovaSafety2.0”, which enhances instantaneous interruption suppression and temperature monitoring, resulting in a significant improvement in stability.

Ms.Gadgets

What is different from the previous model?

Mr.Gadgets

The size reduction and safety improvements are the major differences. In particular, the instantaneous interruption suppression directly affects ease of use in daily life.

Convenient to carry with a world’s smallest class size

CIO new technology NovaEngine introduction image GaN chip stacked technology

A lightweight design of only 45 × 33 × 29 mm and 69 g. It is easy to carry on business trips, travel, or when working at a cafe, and fits in the gaps in your bag.

Mr.Gadgets

It is small enough to fit in the palm of your hand, about the size of two 500 yen coins. It is also light enough to carry around easily.

Maximum 45W output supports a wide range of devices

Maximum 45W when used with a single port. It can rapidly charge iPhone and Android smartphones, as well as iPads and lightweight laptops.

Ms.Gadgets

Can it charge a MacBook Pro?

Mr.Gadgets

It will work, but the charging speed will be slow as 45W is insufficient. It can be used comfortably with the Air class.

Optimized for charging two devices simultaneously

Simultaneous charging of iPhone 20 watts and AirPods 5 watts with a black charger

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

Mr.Gadgets

CIO’s unique “NovaIntelligence” automatically detects it, so you don’t have to worry about where you plug it in.

Enhanced Safety

Plug of a black charger
  • Constant temperature monitoring with NovaSafety2.0
  • Prevention of charging interruptions with instantaneous interruption suppression
  • Reduction of tracking fire risk with insulated plug

NovaPort DUOⅡ

Design and Durability

The surface is finished with a shibo process like a camera body. It is scratch-resistant and has a luxurious look and feel. The flat design ensures stable insertion into wall outlets.

Ms.Gadgets

Does the shibo processing matter?

Mr.Gadgets

It not only looks good but also has the effect of making fine scratches and fingerprints less noticeable, allowing you to use it beautifully for a long time.

USB-A not supported

A black charger-like product with a textured surface and two ports lined up and the CQ logo

USB-C dedicated design. If you frequently use USB-A cables with older smartphones or peripherals, you will need an adapter.

Ms.Gadgets

Is the lack of USB-A inconvenient?

Mr.Gadgets

USB-C is becoming mainstream in recent devices, but it is inconvenient for people who frequently use older accessories that only have USB-A.

Limitations when charging two devices simultaneously

The total output is limited to 45W when charging two devices simultaneously. While it is sufficient for charging two smartphones, the charging speed may decrease with a laptop + tablet.

Overall Evaluation

Points of this heading!

  • Recommended for people like this

NovaPort DUOⅡ 45W2C is an ultra-small 2-port rapid charger that can comfortably charge smartphones, tablets, and even lightweight laptops.

NovaPort DUOⅡ 45W2C
Overall Rating
( 5 )
Pros
  • Ultra-lightweight design with a world’s smallest class size
  • Maximum 45W output supports smartphones, tablets, and light laptops
  • Supports simultaneous charging of two ports with automatic power distribution
  • High safety with NovaSafety2.0 temperature monitoring and instantaneous interruption suppression
  • Shibo processing for scratch resistance and a luxurious design
  • Foldable plug for easy portability
Cons
  • USB-A not supported, inconvenient for users of older devices
  • Charging speed may decrease when charging two devices simultaneously, up to a total of 45W

Recommended for people like this

  • People who want to carry a lightweight charger on business trips or travel
  • People who own multiple USB-C devices
  • People whose main 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
¥4,380 (2026/03/18 01:47時点 | Amazon)
See Reviews
Amazon
\ポイント最大11倍!/
Rakuten
\ポイント5%還元!/
Yahoo Shopping
Pochipp

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

Charger
CIO Product Introduction

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