Charger maker CIO Co., Ltd. has released the "SMARTCOBY SLIMⅡ Wireless2.2 Pro SS10K," a power bank built around a semi-solid battery cell. Priced at 8,580 yen (tax included), it has been on sale since April 15, 2026, through Amazon.co.jp, the CIO official online store on Rakuten, select electronics retailers, and the company's own CIO STORE[1]. The product supports Qi2.2 wireless charging at up to 25W and wired output of up to 35W, aiming to balance safety with everyday usability.
A Flame-Resistant "Semi-Solid" Battery Cell
The first thing worth noting about this product is the safety design of the battery cell itself. A typical lithium-ion battery uses a liquid electrolyte, and that liquid can become a cause of fire. The SMARTCOBY SLIMⅡ Wireless2.2 Pro SS10K adopts a semi-solid battery cell that holds the electrolyte to 10 percent or less[1]. This design helps maintain stable performance across the everyday situations a power bank faces, such as drops, impacts, and repeated use.
CIO also combines this with a heat-dissipation structure based on its proprietary internal design called "NovaCore C2." According to CIO, the design keeps the battery's expansion coefficient to 80 percent or less even after 300 uses, and the company cites this resistance to degradation over long-term use as a strength[1]. In addition, a feature called "NovaSafety S2" detects temperature and controls output, and the unit also offers an output-switching mode that adapts to how the device is being used[1].
Power banks are a category where interest in safety is rising, including ongoing discussion about restrictions on carrying them aboard aircraft. A design that puts a semi-solid cell front and center reflects an awareness of this trend.
Qi2.2 Support for Wireless Charging at Up to 25W
This unit supports "Qi2.2," the newer standard for wireless charging. Qi2.2 is a standard defined by the industry body Wireless Power Consortium (WPC). It raises the output beyond the previous Qi2 (up to 15W) to deliver wireless charging at up to 25W. The SMARTCOBY SLIMⅡ Wireless2.2 Pro SS10K likewise supports this 25W figure[1].
Using it is simple: it attaches magnetically to a MagSafe-compatible iPhone and charges it while held in place. There is no need to plug and unplug a cable, and it is convenient whether the unit sits on a desk or is carried around while attached to the phone.
It is not only strong on wireless charging. Its USB-C port supports output of up to 35W, covering a wide range of devices from smartphones to tablets and even some laptops[1]. That said, it is worth keeping in mind that some models may not charge due to limits on maximum power supply[1].
A Slim Body About 17mm Thick and a 1 Percent Battery Readout
The capacity is 10000mAh, and according to CIO it can charge a smartphone about 1.2 times or more[1]. Despite combining a large 10000mAh capacity with up to 35W output, the unit is kept to about 17mm thick, making it an easy size to carry in a bag or pocket[1].
It also includes features designed for daily use. It supports full pass-through charging, which lets it supply power while being charged at the same time, and it carries a digital display that shows the remaining charge in 1 percent increments[1]. The display is placed so the numbers naturally catch your eye even while the unit is attached to a smartphone, with the aim of easing the worry of wondering whether there is still enough charge.
It comes in two colors, silver and black, and is priced at 8,580 yen (tax included)[1].
Amazon.co.jp でチェック
CIO SMARTCOBY SLIMⅡ Wireless2.2 Pro SS10K 半固体系モバイルバッテリー 10000mAh
Summary
The SMARTCOBY SLIMⅡ Wireless2.2 Pro SS10K is a power bank that raises safety with a flame-resistant semi-solid battery cell and a heat-dissipation design, while delivering practical performance through Qi2.2-ready 25W wireless charging and 35W wired output. Its slim body, kept to about 17mm despite a 10000mAh capacity, and its 1 percent battery readout are also helpful for everyday use. For anyone who wants to prioritize both safety and charging speed, it looks like a strong option.
出典:https://prtimes.jp/main/html/rd/p/000000641.000043212.html
