Elecom will release the DE-C102 series of 10,000mAh mobile batteries in mid-November 2026, featuring a “semi-solid-state lithium-ion battery” made with a gelled electrolyte. The units have an integrated cable, are open-priced, and are scheduled to sell for ¥7,480 (approximately $47), tax included, on the company’s direct-sale website.
Unlike the liquid electrolytes widely used in conventional mobile batteries, the semi-solid-state battery sharply reduces the amount of flammable organic electrolyte used. Even in the event of a short circuit, the design is said to suppress the generation and external release of flammable gases. Improved chemical stability has also extended cycle life fourfold, from about 500 cycles in conventional products to roughly 2,000 cycles in testing.
The body features a “Health Monitor” whose LED changes color according to the number of charge and discharge cycles, letting users check battery health and gauge when to replace the unit. It also includes “Thermal Protection,” which monitors and controls temperature in real time while powered, and a multi-layer protection circuit that automatically shuts down when an abnormality is detected.
| Item | Specification |
|---|---|
| Capacity | 10,000mAh |
| Maximum output when used alone | 22.5W (USB PD/PPS compliant) |
| Simultaneous charging | Up to 3 devices (total output decreases) |
| Operating temperature range | Minus 15 to 45 degrees Celsius |
| Size and weight | 68 x 19 x 108mm, approximately 190g |
| Colors | Black, White, Shiro-chan |
Note: Output and operating temperature range are based on the company’s published figures.
In addition to an integrated cable about 0.1m long, the body has a USB Type-C port and a USB-A port. It supports a pass-through function that prioritizes charging the connected device without routing through the battery, as well as a low-current mode for low-power devices such as wireless earbuds.
On the environmental front, the body uses recycled plastic, and the packaging uses paper materials with no plastic. The product is also covered by the collection program of JBRC, a general incorporated association, and can be dropped off at participating collection stores.
In the mobile battery market, concern about safety issues such as ignition and swelling is growing. Semi-solid-state batteries are a technology that companies are considering adopting because they can reduce the risk of electrolyte leakage. Elecom is emphasizing long life and safety, positioning the product as one suited to longer replacement cycles.
The price is ¥7,480 (approximately $47), tax included, equivalent to about $48 (roughly ¥7,700) for overseas markets. Whether Elecom can capture consumers who prioritize safety and durability will be the focus of future sales.