Consecutive Recognition at DGP Mobile Awards
The JOVY SSPB has received accolades for two consecutive years at the DGP Mobile Awards. The wired charging-only model was honored with the Special Jury Award at the DGP Mobile Award 2025.
Following this, the MagSafe wireless charging compatible model secured the Gold Award in the newly established Mobile Battery category at the DGP Mobile Award 2026.
This recognition from a third-party organization, alongside strong sales performance, demonstrates that HAMAKEN WORKS’ goal of providing a safer, more reliable mobile battery is resonating with a broad customer base and industry experts.
Available Nationwide at Retailers and Major EC Malls
The demand for on-the-go charging solutions has increased significantly with the widespread use of smartphones, tablets, and wireless earphones. Simultaneously, public concern regarding product safety, particularly mobile battery overheating and ignition incidents, has also risen.
In response to this market environment, the JOVY SSPB is available across Japan through major EC malls such as Amazon, Rakuten, and Yahoo! Shopping, as well as at leading electronics retailers including Yodobashi Camera, Bic Camera, Joshin, Yamada Denki, and Denki-chi. This extensive availability ensures that more customers can access mobile batteries designed with safety in mind.
About JOVY SSPB
JOVY SSPB mobile batteries incorporate semi-solid state battery technology, significantly reducing the amount of liquid electrolyte by making it gel-like. This design aims to mitigate the risk of ignition.
The product is engineered to be compact, lightweight, and long-lasting, with compatibility across a wide range of temperatures. These features make it suitable for various uses, from daily charging to travel, outdoor activities, and disaster preparedness.
The JOVY SSPB lineup includes both wired charging-only models and MagSafe wireless charging compatible models. Available capacities are 5,000mAh and 10,000mAh, with color options of Pink Gold, Black, and White.
Product Lineup
Wired Charging Only Models
These models are designed for simple wired charging, ideal for users who prefer to charge smartphones and tablets via cable connections.
| Model Number | Capacity | Color |
|---|---|---|
| HW-SSPB050SG | 5,000mAh | Pink Gold |
| HW-SSPB050BK | 5,000mAh | Black |
| HW-SSPB050WH | 5,000mAh | White |
| HW-SSPB100SG | 10,000mAh | Pink Gold |
| HW-SSPB100BK | 10,000mAh | Black |
| HW-SSPB100WH | 10,000mAh | White |
MagSafe Wireless Charging Compatible Models
These models offer convenient wireless charging for MagSafe-compatible smartphones and feature a digital display to easily check battery levels, providing smart charging on the go.
| Model Number | Capacity | Color |
|---|---|---|
| HW-SSPB050M1SG | 5,000mAh | Pink Gold |
| HW-SSPB050M1BK | 5,000mAh | Black |
| HW-SSPB050M1WH | 5,000mAh | White |
| HW-SSPB100M1SG | 10,000mAh | Pink Gold |
| HW-SSPB100M1BK | 10,000mAh | Black |
| HW-SSPB100M1WH | 10,000mAh | White |
Future Developments
HAMAKEN WORKS views mobile batteries not merely as charging devices but as essential infrastructure supporting daily life. The company will continue to pursue product planning and development under the theme “Innovate Your Mobile Experience,” contributing to an environment where smartphones and digital devices can be used with confidence, by combining safety, practicality, and design.
MagSafe is a trademark of Apple Inc.
Company names and product names mentioned are trademarks or registered trademarks of their respective companies.
Company Information
Company Name: Hamada Electric Co., Ltd.
Location: 3-9-4 Nihonbashi Honcho, Chuo-ku, Tokyo 103-0023, Japan
Representative: Kentaro Hamada, President and CEO
Founded: September 1948
Business Activities: Planning and sales of control device products and smartphone accessories
Official Website:
Brand Website:
