Featured Mobile Batteries
SMARTCOBY SLIM 5K
This mobile battery features an 8.7mm thin, aluminum alloy casing and a minimalist design. It is Qi2 standard compatible, offering a maximum of 15W output and a capacity of 5000mAh.
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Sale Price: 3,980 yen (incl. tax) – 33% OFF
SMARTCOBY TRIO 67W
Despite its 20000mAh capacity, this mobile battery achieves a compact card-sized form factor. It offers a high output of up to 67W and can charge various devices multiple times: approximately 3.5 times for iPhone 15, 3.0 times for Galaxy S23, 1.5 times for iPad Pro 11-inch, and 0.8 times for MacBook Air.
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Sale Price: 5,980 yen (incl. tax) – 33% OFF
SMARTCOBY Ex04 Wireless2.2 CABLE SS5K
This mobile battery is approximately 14mm thin and supports Qi2.2 wireless charging at up to 25W, alongside wired charging at a maximum of 20W. It incorporates semi-solid battery cells for enhanced safety. A 22cm detachable USB-C cable is built-in, preventing cable loss. It offers a convenient 5000mAh capacity and a size that easily adheres to smartphones for portability.
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Sale Price: 6,180 yen (incl. tax) – 13% OFF
SMARTCOBY Ex05 Wireless2.2 Pro CABLE SS10K
This 10000mAh semi-solid battery features Qi2.2 wireless charging at up to 25W and an integrated USB-C cable with a maximum output of 35W. It can charge a wide range of devices, from smartphones to tablets and even some mobile notebook PCs.
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Sale Price: 7,980 yen (incl. tax) – 11% OFF
Featured Chargers
NovaPort DUOⅡ 45W 2C
This charger offers a maximum single-port output of 45W and is equipped with two USB-C ports. It includes “NovaIntelligence” for automatic power distribution, “NovaEngine” with dual GaN chips, and “NovaSafety2.0” for constant temperature monitoring.
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Sale Price: 3,480 yen (incl. tax) – 21% OFF
NovaPort QUADⅡ 67W3C1A
This 67W high-output charger features four ports (three USB-C and one USB-A). It can charge a laptop using a single port or multiple smaller gadgets like smartphones and earphones simultaneously. It also integrates “NovaIntelligence,” “NovaEngine,” and “NovaSafety2.0.”
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Sale Price: 4,580 yen (incl. tax) – 37% OFF
Featured Power Strips
Polaris CUBE Built in CABLE
This portable power strip with USB ports is designed to be the size of a coffee can. It features a swing plug and a built-in 55cm cable, making it convenient for use in various environments such as hotels and bullet trains.
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Sale Price: 4,780 yen (incl. tax) – 20% OFF
Polaris STICK Built in CORD REEL
This product combines a detachable cord reel charger with a power strip offering up to seven surge-protected outlets. Its integrated design aims for a sleek appearance. The charger part includes a built-in USB-C cable (up to 68cm) that can be extended for use and neatly retracted for storage, or detached for portable use. The charger provides up to 67W output with two USB-C ports (one with a cable) and one USB-A port. The power strip supports up to 1500W and has a swing plug with an approximately 2m power cable.
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Sale Price: 6,080 yen (incl. tax) – 21% OFF
Featured Cables
Flat Spiral Cable CtoC 1m
This cable features magnets embedded in the cable itself, allowing it to neatly coil into a spiral shape. It can be quickly unwound by pulling the connectors and returns to its spiral form when released, eliminating the need for cable ties. A black color variant is now available.
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Sale Price: 1,880 yen (incl. tax) – 5% OFF
Silicone Cables
Known for their pleasant feel, a range of silicone cables are also available at discounted prices.
| Cable Type | Sale Price (incl. tax) | Discount Rate |
|---|---|---|
| C to L | 0.15m: 1,180 yen, 0.5m: 1,380 yen, 1m: 1,580 yen, 2m: 1,680 yen | Up to 37% |
| L-shaped C to L | 1m: 1,580 yen, 2m: 1,680 yen | Up to 27% |
| A to L | 1m: 1,180 yen, 2m: 1,280 yen | Up to 37% |
Other Featured Products
Handy Fan
This handy fan supports handheld, neck-hanging, and tabletop use, and can operate while charging. It features a reverse dual-blade structure for comfortable airflow despite its compact size. Additionally, it includes a Peltier cooling plate for a refreshing sensation on the neck or wrist, 4-level airflow adjustment, and up to 6.5 hours of continuous operation. It is suitable for various daily scenarios, from outdoor heat countermeasures to desk work and travel.
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Sale Price: 7,980 yen (incl. tax) – 20% OFF
NovaWave Car Mount Built in Fan
This MagSafe-compatible car wireless charging mount enhances smartphone charging convenience in vehicles. It supports Qi2.2 wireless charging at up to 25W. Please note that a separate USB charger and a USB Type-C cable are required, and for 25W wireless output, the connected USB charger and cable must support PD30W output.
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Sale Price: 5,280 yen (incl. tax) – 12% OFF
About CIO Co., Ltd.
Established in 2017, CIO Co., Ltd. operates under the philosophy of “creating an exciting future with multi-functional and latest technology.” The company focuses on manufacturing its own brand of smartphone-related products, such as chargers and mobile batteries, with a commitment to delivering products that embody a unique story and vision to customers. The aim is to evoke a childlike sense of excitement by showcasing the convenience of multi-functional and high-performance products.
The regular prices and discount rates are based on the suggested retail prices on the CIO Co., Ltd. official website as of August 27, 2026. Amazon and Amazon.co.jp are trademarks of Amazon.com, Inc. or its affiliates.
