What are the features of a semi-solid lithium-ion battery?

By gelifying the internal electrolyte, it reduces the risk of liquid leakage and suppresses the generation of flammable gases during internal short circuits, enhancing safety.

What is the maximum output of the 'DE-C87-20000BK'?

When using only the USB Type-C port, the maximum output is 67W.

How long does the mobile battery last?

It can be used for approximately 2,000 cycles, achieving about four times the lifespan compared to conventional lithium-ion battery types.

What is the 'Health Monitor' function for?

It automatically diagnoses and displays the battery's health status based on charge-discharge cycles, which can be used as a guide for replacement or inspection.

Can this product be carried on an airplane?

It can be carried on board as the battery capacity is 160Wh or less (exceptions may apply according to airline regulations).

Elecom to Launch New 20,000mAh/67W Mobile Battery Using Semi-Solid Lithium-Ion Batteries in Late June

Published Jun 9, 2026 9:00 PM ・ Updated Jun 14, 2026 8:33 AM ・ 3 min read ・ Source: PR TIMES

Elecom is releasing the 'DE-C87-20000BK,' a 20,000mAh/67W mobile battery in late June. It uses semi-solid lithium-ion battery technology (gelled electrolyte) for improved safety and a long lifespan of approximately 2,000 cycles. It can charge laptops with a maximum output of 67W.

Elecom Co., Ltd. will launch the 'DE-C87-20000BK' in late June, a new 3-port mobile battery model featuring a 20,000mAh capacity and a maximum output of 67W, utilizing semi-solid lithium-ion batteries.

By gelling the internal electrolyte, the battery reduces the risk of ignition and enhances safety. This new 20,000mAh large-capacity model offers a 67W high-power output, capable of charging laptops. It supports approximately 2,000 charge/discharge cycles, achieving a lifespan about four times longer than conventional lithium-ion batteries.

It features a 'Health Monitor' function that automatically diagnoses and displays battery health, alongside temperature monitoring and multi-layer protection. It is also equipped with a 'Real-time Display' LCD screen to monitor remaining capacity, power output, error detection, and low-current mode.

- Semi-solid lithium-ion battery: Enhances safety by gelling the electrolyte, reducing leakage risk and suppressing flammable gas during short circuits. - Air travel: Capacity is under 160Wh (43,243mAh), making it suitable for carry-on luggage (subject to airline regulations). - Charging: Equipped with two USB Type-C and one USB-A ports, allowing up to 3 devices to charge simultaneously. Supports up to 67W output from a single Type-C port. - Design: Fingerprint-resistant finish.

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Source: PR TIMES
Category: New Product
Products / services: DE-C87-20000BK / Health Monitor

Elecom to Launch New 20,000mAh/67W Mobile Battery Using Semi-Solid Lithium-Ion Batteries in Late June

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