IDX has announced the launch of GUARDIAN, a 2000Wh portable power station that incorporates a semi-solid lithium-ion battery. The product will be available in July 2025.

GUARDIAN is the first model in a new category of professional-grade portable power solutions called PowerBase. This product is claimed to mark a significant evolution in IDX’s offerings, aiming to redefine what a portable power source can be by integrating next-generation technology that brings greater value to users.
Product Overview
- Product Name: 2000Wh Semi-Solid-State Portable Power Station ‘GUARDIAN’
- Model Number: SSP-2000
- Capacity: 2008.8Wh (32.4V / 62Ah)
- Dimensions & Weight: 216 × 258 × 355 mm / approx. 16.8 kg
- AC Output: 6 outlets, 100V (50/60Hz), Max 2000W
- DC Output: 4×USB-A, 2×USB-C, 2×DC5521, 1×Car Cigarette Lighter Socket
- LED Light: Rear-mounted, 3-level brightness settings
- Price: ¥298,000 (excluding tax)
The GUARDIAN has a capacity of 2008.8Wh (32.4V / 62Ah) and it features 6 outlets (100V (50/60Hz), Max 2000W), 4×USB-A, 2×USB-C, 2×DC5521, and 1×Car Cigarette Lighter Socket.

It weighs 16.8 kg / 37 lbs.
In addition to meeting the safety standards required in various countries, GUARDIAN complies with IDX’s own, even more rigorous, internal safety criteria.
By integrating a semi-solid-state battery with GaN (gallium nitride) semiconductors, GUARDIAN delivers the following advantages:
① Compact, Lightweight, and High-Capacity
Compared to other models with the same capacity, GUARDIAN achieves approximately 50% reduction in both weight and size.
② Uncompromised Safety
The electrolyte used inside the battery is non-flammable and flame-resistant. This ensures that even in cases of external impact, overcharging, or internal short-circuiting, no heat is generated and the unit does not catch fire. GUARDIAN has passed the “nail penetration test” to prove this safety.
③ Extended Lifespan
Reduced internal heat generation slows battery degradation over time, resulting in significantly longer battery life compared to conventional products.
④ Silent Operation
Operating noise is reduced by approximately 60% compared to other models with similar capacity. Less heat generation inside the unit means the fan runs less frequently, allowing for quieter operation.
⑤ Fast Charging
Achieves rapid charging, reaching 60–80% of full capacity in approximately one hour.
Semi-solid-state battery
A semi-solid-state battery is one in which all or part of the electrolyte inside is solid. The semi-solid-state battery used by IDX is called a “liquid-impregnated (impregnated) semi-solid-state battery,” which uses a composite electrolyte consisting of a solid electrolyte impregnated with a small amount of liquid electrolyte. This ensures both a high level of safety and ion conductivity. The impedance inside the semi-solid-state battery is 1/10 of that of conventional batteries, so that ions inside can come and go in a space with few barriers (impedance), eliminating the need for extra energy, resulting in a significant reduction in the amount of heat generated.
Furthermore, the inverter used inside the product is a GaN semiconductor. Compared to silicon semiconductors, they are more efficient and faster, and their increased power conversion efficiency leads to smaller and lighter products.
The GUARDIAN has a life of over 1000 cycles. The combination of semi-solid-state batteries✕GaN semiconductors results in less heat and slower cell degradation speed than conventional products, resulting in a longer service life.
The PowerBase has roughly 60% less operating noise than models of similar capacity and nearly 0dB noise when operating within 1000W. The reduced heat generation reduces fan operation, resulting in quieter operation.
Price & Availability
In Japan, the DX GUARDIAN 2000Wh Semi-Solid Battery Power Station will retail for ¥298,000 (excluding tax). It will be available in July.



