SUNEAST's First! New Model Combines Safety and Ultra-Thin Design with World's Thinnest Class × Semi-Solid State Battery
Asahi Higashi Electronics has announced the "Power Bank SSA5K," a new semi-solid state mobile battery from its SUNEAST brand, which achieves both safety and a slim design. It mitigates thermal runaway risks, supports Qi2 wireless charging, 20W wired output, and pass-through charging, set to launch on May 15.
📋 Article Processing Timeline
- 📰 Published: April 29, 2026 at 19:00
- 🔍 Collected: April 29, 2026 at 11:01
- 🤖 AI Analyzed: April 29, 2026 at 11:48 (47 min after Collected)
SUNEAST, a brand of Asahi Higashi Electronics Co., Ltd. (Headquarters: Tokyo), announces the release of the new mobile battery "SUNEAST Semi-Solid Mobile Battery Power Bank SSA5K," which combines safety and convenience.
This product adopts semi-solid state battery technology, significantly reducing the risk of heat generation and ignition. Furthermore, it is a versatile model that supports a wide range of uses from daily life to outings, featuring Qi2 wireless charging (up to 15W), wired output up to 20W, and pass-through charging.
■ **Release Information**
* **Pre-order start date:** May 1, 2026 (Yodobashi Camera & Bic Camera.com)
* **Release date:** May 15, 2026
* **Selling price:** 6,980 yen (tax included)
* **Sales channels:** Yodobashi Camera / Bic Camera / Amazon / Rakuten / Yahoo! and others
**Key Features**
* **Semi-Solid State Battery Adoption – Safety-Conscious Design**
Compared to conventional lithium-ion batteries, it employs a structure that suppresses thermal runaway and fire risk. By enhancing the stability of the internal structure, heat generation is easily suppressed even in high-temperature environments or during prolonged use, ensuring a design that can be used with peace of mind. It is also resistant to external shocks and pressures, reducing the risk of problems during daily carrying and use.
It is designed as a mobile battery that can be used with greater peace of mind during seasons when temperatures rise or for long outings and travels.
A safety verification test video shows various tests under pressure, load, nail penetration, drop, and high-temperature environments.
* **Approximately 7.2mm Ultra-Thin and Lightweight Design**
Its slim design makes it easy to carry and store neatly in pockets or bags. Currently, it achieves one of the thinnest designs ever for a mobile battery*.
*According to our research
* **Qi2 Wireless Charging Compatible (up to 15W)**
Enables stable wireless charging while magnetically attached.
Provides a comfortable cable-free charging experience.
* **Wired Output up to 20W & Pass-Through Charging Compatible**
Allows **magnetic wireless power supply (Qi2)** to smartphones while the unit itself is being charged.
By combining wired and wireless, it realizes an efficient and waste-free charging environment.
* **Simultaneous 2-Device Charging Support**
By using wireless charging and wired charging simultaneously,
it supports simultaneous charging of multiple devices such as smartphones and earphones.
Efficient device management is possible even when out and about.
* **LED Remaining Charge Indicator (4 levels)**
The battery's remaining charge can be visually checked with a 4-level LED indicator.
Allows intuitive understanding of when to charge.
**Product Overview**
* **Body size:** 103.5×70.5×7.2mm
* **Weight:** Approximately 110g
* **Contents:** Main unit, USB-C to USB-C charging cable (0.3m), instruction manual
* **Battery capacity:** 5000mAh/3.85V/19.25Wh
* **Rated capacity:** 2950mAh(5V)
* **Input:** 5V⎓3.0A/9V⎓2A/12V⎓1.5A (18W Max)
* **Output:** 5V⎓3A/9V⎓2.22A/10V=2.25A/12V⎓1.67A (20W Max) USB-C+Wireless Charging Output:10W+5W
* **Wireless output power:** 5W/7.5W/10W/MPP 15W Max
* **Interface:** USB Type-C
* **Material:** Aluminum alloy + ABS resin
* **Model numbers:** Black: SE-PB050BC003BKF, White: SE-PB050BC003WHF, Orange: SE-PB050BC003ORF
* **JAN:** Black: 4573574591749, White: 4573574591732, Orange: 4573574591671
* **Warranty period:** 1 year in Japan from the date of purchase
**Company Overview**
* **Company Name:** Asahi Higashi Electronics Co., Ltd.
* **Brand:** SUNEAST
* **Official Website:** https://suneast.co.jp/
This product adopts semi-solid state battery technology, significantly reducing the risk of heat generation and ignition. Furthermore, it is a versatile model that supports a wide range of uses from daily life to outings, featuring Qi2 wireless charging (up to 15W), wired output up to 20W, and pass-through charging.
■ **Release Information**
* **Pre-order start date:** May 1, 2026 (Yodobashi Camera & Bic Camera.com)
* **Release date:** May 15, 2026
* **Selling price:** 6,980 yen (tax included)
* **Sales channels:** Yodobashi Camera / Bic Camera / Amazon / Rakuten / Yahoo! and others
**Key Features**
* **Semi-Solid State Battery Adoption – Safety-Conscious Design**
Compared to conventional lithium-ion batteries, it employs a structure that suppresses thermal runaway and fire risk. By enhancing the stability of the internal structure, heat generation is easily suppressed even in high-temperature environments or during prolonged use, ensuring a design that can be used with peace of mind. It is also resistant to external shocks and pressures, reducing the risk of problems during daily carrying and use.
It is designed as a mobile battery that can be used with greater peace of mind during seasons when temperatures rise or for long outings and travels.
A safety verification test video shows various tests under pressure, load, nail penetration, drop, and high-temperature environments.
* **Approximately 7.2mm Ultra-Thin and Lightweight Design**
Its slim design makes it easy to carry and store neatly in pockets or bags. Currently, it achieves one of the thinnest designs ever for a mobile battery*.
*According to our research
* **Qi2 Wireless Charging Compatible (up to 15W)**
Enables stable wireless charging while magnetically attached.
Provides a comfortable cable-free charging experience.
* **Wired Output up to 20W & Pass-Through Charging Compatible**
Allows **magnetic wireless power supply (Qi2)** to smartphones while the unit itself is being charged.
By combining wired and wireless, it realizes an efficient and waste-free charging environment.
* **Simultaneous 2-Device Charging Support**
By using wireless charging and wired charging simultaneously,
it supports simultaneous charging of multiple devices such as smartphones and earphones.
Efficient device management is possible even when out and about.
* **LED Remaining Charge Indicator (4 levels)**
The battery's remaining charge can be visually checked with a 4-level LED indicator.
Allows intuitive understanding of when to charge.
**Product Overview**
* **Body size:** 103.5×70.5×7.2mm
* **Weight:** Approximately 110g
* **Contents:** Main unit, USB-C to USB-C charging cable (0.3m), instruction manual
* **Battery capacity:** 5000mAh/3.85V/19.25Wh
* **Rated capacity:** 2950mAh(5V)
* **Input:** 5V⎓3.0A/9V⎓2A/12V⎓1.5A (18W Max)
* **Output:** 5V⎓3A/9V⎓2.22A/10V=2.25A/12V⎓1.67A (20W Max) USB-C+Wireless Charging Output:10W+5W
* **Wireless output power:** 5W/7.5W/10W/MPP 15W Max
* **Interface:** USB Type-C
* **Material:** Aluminum alloy + ABS resin
* **Model numbers:** Black: SE-PB050BC003BKF, White: SE-PB050BC003WHF, Orange: SE-PB050BC003ORF
* **JAN:** Black: 4573574591749, White: 4573574591732, Orange: 4573574591671
* **Warranty period:** 1 year in Japan from the date of purchase
**Company Overview**
* **Company Name:** Asahi Higashi Electronics Co., Ltd.
* **Brand:** SUNEAST
* **Official Website:** https://suneast.co.jp/