Recommended New Products (Mobile Batteries)
SMARTCOBY SLIMⅡ Wireless2.0 SS5K

This is a next-generation mobile battery designed to reduce the risk of ignition compared to conventional lithium-ion polymer batteries. It features semi-solid-state cells from a Tier1 battery manufacturer, which have a proven track record in the smartphone industry. Despite its slim 8.7mm profile, it achieves high safety levels. Incorporating CIO’s proprietary “NovaSafety S2” (heat suppression firmware) and the new “NovaCore C2” (internal structure design standard), it meets the demand for highly safe mobile batteries. It supports Qi2 standard with a maximum 15W output, has a 5000mAh capacity, and an aluminum alloy casing.
-
Sale Price: 5,980 yen (tax included) 14% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FTZ1X6NC
SMARTCOBY SLIMⅡ Wireless 2.2 8K

This 8,000mAh mobile battery is Qi2 certified and supports up to 25W wireless charging. It offers a “best balance” design for users who find 5000mAh insufficient but 10000mAh too large. With a thickness of approximately 12mm and a weight of about 170g, it also features up to 30W wired charging. Additionally, it includes a switchable “High-Performance Mode” for prioritizing charging speed and a “Safety Mode” for suppressing heat, allowing for optimal charging in various scenarios.
-
Sale Price: 6,180 yen (tax included) 23% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0GKPBZ8S4
SMARTCOBY SLIMⅡ Pro 8K

This 8,000mAh mobile battery boasts a slim and lightweight design, approximately 11mm thick and 161g, featuring MagSafe-compliant magnetic attachment. It is optimally balanced for those who find 5000mAh insufficient and 10000mAh too heavy. With up to 30W wired output, it can charge smartphones, tablets, and even some notebook PCs. It also supports full pass-through charging and a low-current mode, making it versatile for daily use, business trips, and travel.
-
Sale Price: 5,980 yen (tax included) 16% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FPLZHNQP
SMARTCOBY SLIMⅡ Wireless2.2 Pro 10K

This high-capacity 10,000mAh mobile battery supports Qi2.2, achieving up to 25W wireless rapid charging. In addition to high-speed charging beyond traditional 15W, it offers output switching between 7.5W/25W and heat-suppressed charging options. With a slim design of 14.6mm thickness and approximately 188g, it features MagSafe-compliant magnetic attachment. It is a high-end model combining functionality and practicality, including simultaneous charging of two devices, full pass-through charging, and a digital remaining charge display in 1% increments.
-
Sale Price: 6,490 yen (tax included) 22% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FTYZXTMK
SMARTCOBY ULTRA SLIM 3K

This is among the world’s thinnest magnetic mobile batteries, measuring 4.98mm thick and weighing approximately 82g. It is designed for seamless integration with an iPhone, allowing it to be used “as is” without protruding. It features MagSafe compatibility, Qi wireless charging (up to 7.5W), and a 3000mAh “top-up” capacity. Furthermore, it supports Apple’s “Find My” feature, offering a solution for preventing loss.
-
Sale Price: 7,980 yen (tax included) 11% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FTZ596XR
Flex Spiral Cable CtoC 1m

This innovative cable incorporates magnets, allowing it to extend smoothly when pulled and coil neatly into a spiral when released. It eliminates the need for cable ties, enabling tidy storage in bags and pouches. It supports PD rapid charging up to 240W, providing stable power supply even for notebook PCs, and also handles USB2.0 data transfer (up to 480Mbps). Available in Black, White, and Purple.
-
Sale Price: 1,780 yen (tax included) 10% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0G6JXJ5TD
Recommended Chargers
NovaPort SOLO II 65W1C

This charger provides up to 65W output, compatible with a wide range of devices from PCs to smartphones. Smaller than a single dry cell battery and weighing only about 74g, it offers comfortable portability for daily use. Its proprietary safety function, “NovaSafety2.0,” automatically adjusts heat generation, enabling an ultra-compact design. The foldable plug further enhances its convenience for carrying.
-
Sale Price: 3,580 yen (tax included) 18% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FKN5MCC3
NovaPort SOLOⅡ 100W1C

Compact enough to fit in the palm of your hand, this charger supports up to 100W output, allowing for rapid charging of high-end PCs like MacBook Pro. It is equipped with CIO’s proprietary safety feature, “NovaSafety2.0,” which automatically adjusts heat generation. The integration of GaN technology achieves both high efficiency and a compact size.
-
Sale Price: 4,980 yen (tax included) 17% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FKN5VPMQ
NovaWave 3Way+

The portable stand “NovaWave 3Way,” which allows simultaneous wireless charging of an iPhone and Apple Watch, has been renewed as “NovaWave 3Way+” with doubled output. It supports Qi2 for iPhones 12 and later (excluding SE series and 16e) with up to 15W, and Apple Watch with up to 5W rapid charging. Two devices can be charged simultaneously with a single USB-C cable. Its thin and lightweight (approx. 69g) design makes it convenient for portability.
-
Sale Price: 4,280 yen (tax included) 14% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FRMQD7RK
Recommended Power Strips
Polaris STICK Built in CORD REEL

This product combines a detachable cord reel charger with a power strip featuring up to 7 outlets and surge protection. Its integrated design creates an elegant appearance. The charger section includes a built-in USB-C cable (up to 68cm), which can be easily extended for use and neatly stored when finished. The charger can also be detached and carried for portable use. The charger section offers up to 67W output and features two USB-C ports (one with the built-in cable) and one USB-A port. The power strip section provides up to 7 outlets (one for connecting the charger) and supports up to 1500W. The power cable with a swing plug is approximately 2m long.
-
Sale Price: 5,780 yen (tax included) 25% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FPL74JCG
Recommended Cables
Spiral Silicone Cable C to HDMI 2m

Introducing a C to HDMI cable to the Spiral Silicone Cable series, which uses magnetic force to keep cables neatly organized. This allows for smart wiring of PCs, game consoles, and AV equipment. It supports HDMI2.0, with a maximum resolution of 4K60Hz (18Gbps), and can transmit video and audio signals, including copyright protection.
-
Sale Price: 3,480 yen (tax included) 13% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FTZ7K3TQ
Spiral Silicone Cable HDMI to HDMI 2m

An HDMI cable joins the Spiral Silicone Cable series, which uses magnetic force to keep cables neatly organized. This allows for smart wiring of PCs, game consoles, and AV equipment. It supports HDMI2.0, with a maximum resolution of 4K60Hz (18Gbps), and can transmit video and audio signals, including copyright protection.
-
Sale Price: 2,580 yen (tax included) 13% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FTZ4X7MS
Other Recommended Products
Portable Bath Speaker

This IPX7 waterproof portable speaker is suitable for bath time or camping. It features a built-in magnet, allowing it to be attached to various magnetic surfaces like unit bathrooms or refrigerators. It supports wireless charging, making it easy to wipe and recharge even when wet. Its palm-sized compact design ensures easy portability, and a full charge provides 8 hours of continuous playback, transforming any location into a music spot.
-
Sale Price: 5,180 yen (tax included) 13% OFF
-
Product Page: https://www.amazon.co.jp/dp/B0FB421Y47
(Note: Normal prices and discount rates are calculated by rounding based on the suggested retail prices on the official CIO Co., Ltd. website as of March 2, 2026.)
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 original products, primarily smartphone-related items such as chargers and mobile batteries, with a story and passion behind each product delivered to customers. The aim is to deliver the excitement that comes from experiencing convenient, multi-functional, and high-performance products. The entire team is dedicated to delivering “exciting latest gadgets.”
Official Links:

