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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →No Toyota document cited here states a 745-mile range for a solid-state battery. Toyota’s published target for its first all-solid-state battery electric vehicle (BEV) battery is about 1,000 km, or 621 miles, with commercial use aimed at 2027–28. That is a company target, not a tested vehicle rating, and Toyota has not tied it to a named model.
What Toyota has actually published
Toyota’s clearest statement is its battery roadmap, released by Toyota (GB) on 14 September 2023. It covers several separate battery programs, and only one of them is the all-solid-state BEV battery. The figures attached to each branch are easy to blur together, so the table keeps them apart.
| Program (per the 2023 roadmap unless noted) | Chemistry | Range figure | Charging target (10% to 80%) | Timing |
|---|---|---|---|---|
| First all-solid-state BEV battery | All-solid-state | Target of about 1,000 km (621 miles), with 20% more range than the performance battery. Toyota says the figure includes vehicle-efficiency gains. | 10 minutes or less | Commercial use aimed at 2027/28 |
| Higher-spec solid-state battery | All-solid-state | Under research, targeting 50% more cruising range than the performance battery. No final vehicle range published. | Not stated | Not stated |
| High-performance lithium-ion battery | Liquid-electrolyte lithium-ion | Above 1,000 km (621 miles) when combined with better aerodynamics and reduced weight | 20 minutes or less | Market introduction in 2027/28 |
| Next-generation performance battery at PPES (Toyota METI announcement, 6 September 2024) | Not stated | Not stated | Not stated | Gradual production from 2026, 9 GWh/year |
The last row is included only to show that a separate Toyota battery has a stated production date and volume. Those figures do not apply to the solid-state battery.
Where the 745-mile figure does not fit
Toyota’s documents do not say how 745 miles was derived, and the cited sources do not identify where the figure first appeared. One piece of arithmetic may explain the confusion. 745 miles is about 20% more than 621 miles (621 × 1.2 ≈ 745). Toyota’s 20% figure, however, compares the first solid-state battery with the performance battery. It is not a multiplier applied to the 621-mile target. The coincidence is a plausible route for a headline error, but it is not confirmation of any 745-mile specification.
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What the range target includes
Toyota’s footnote says the 1,000 km target includes vehicle-efficiency improvements such as better aerodynamics and reduced weight. The 621-mile figure is therefore a vehicle-level estimate, not a measure of battery capacity alone. A different body design or weight target would move the number, which makes it unsafe to compare directly with a battery-only figure from another manufacturer.
The higher-spec solid-state entry works differently. Toyota gives it only as a relative goal of 50% more cruising range than the performance battery. Converting that into miles would require a baseline and a vehicle configuration that Toyota has not published, so any mileage for that version is an invention.
The charging target
Toyota’s aim for the first solid-state battery is 10 minutes or less to charge from 10% to 80% state of charge. That is a target stated in the 2023 roadmap. The cited sources do not show it demonstrated in a production car, and they do not specify the charger power or test conditions behind it. Until Toyota publishes a vehicle with measured charging figures, treat it as a design goal.
What Toyota has said about timing
Toyota has held to the same launch window across several disclosures. The most recent of them cited here is from October 2025, and none of the sources names a retail model, a price, or a delivery date.
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- 14 September 2023, battery roadmap. Toyota stated: “The aim is for the batteries to be ready for commercial use by 2027/28.”
- 12 October 2023, Idemitsu cooperation. Toyota and Idemitsu Kosan announced work toward mass production of sulfide solid-electrolyte batteries. Koji Sato, Toyota’s President and CEO, said: “First, between 2027 and 2028, we will start to produce solid-state batteries for use in battery electric vehicles.”
- 6 September 2024, METI certification. The Ministry of Economy, Trade and Industry certified Toyota’s battery development and production plan. It lists all-solid-state batteries under Toyota R&D and production, with the 2026 start date applying to the separate performance battery.
- 2025, Integrated Report. Toyota’s report continues to describe the 2027–28 commercialization target alongside ongoing product and mass-production work.
- 8 October 2025, Sumitomo Metal Mining cathode work. Toyota and Sumitomo Metal Mining announced joint development of cathode materials. The joint announcement states: “Toyota is aiming for a market launch of BEVs with all-solid-state batteries in 2027-28.”
All of these are company statements about targets. None shows that a production line for the solid-state battery is running.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What still has to work
A cell that meets the roadmap figures is only one part of a production car. Toyota’s own disclosures point to three problems that remain in development.
Cracking at the electrolyte interface
Toyota’s October 2023 announcement explains that repeated charging and discharging can create cracks at interfaces and degrade performance. The companies say their work includes a flexible, adhesive, crack-resistant electrolyte. That is a description of development work, not an independently validated result.
Cathode durability and cost
In the October 2025 Sumitomo Metal Mining announcement, the companies describe cathode durability during repeated charge and discharge cycles as a challenge. They say further work will address performance, quality, safety, and mass-production cost. Cost is named as an open item, so no price or cost target should be read into the 2027–28 window.
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Scaling the supply chain
Toyota and Idemitsu describe pilot-facility preparation and a mass-production demonstration as steps toward the 2027–28 target. The sources do not give a production volume for the solid-state battery. The 9 GWh/year figure belongs to the separate performance battery and should not be used as a proxy.
What this means for Toyota’s future
Toyota is not betting its battery plans on one chemistry. The roadmap runs liquid-electrolyte lithium-ion programs for performance and mass-market use alongside the solid-state branch. The solid-state battery matters because its targets combine higher range with faster charging, which would address two common EV complaints at once. But it is the least certain branch on the roadmap. Its launch depends on sulfide electrolyte, cathode and manufacturing work that the companies still describe as ongoing.
The practical reading is that Toyota’s published commitment is a 2027–28 launch window for BEVs with all-solid-state batteries, with a target of about 621 miles and a 10-minute 10–80% charge. A 745-mile production Toyota is not established, and nothing in Toyota’s documents supports a range claim beyond the 1,000 km target until a vehicle is rated under published conditions.
How to check future range headlines
- Confirm whether the figure is for the all-solid-state battery or another chemistry, and whether it is a target or a measured result.
- Check whether the number is battery-only or includes vehicle-efficiency gains.
- Trace the figure to Toyota’s own newsroom or a named vehicle announcement.
- Look for a model name, a delivery date, and a test or rating method before treating a range as a production specification.
Toyota’s roadmap is at media.toyota.co.uk, and the company’s newsroom announcements on the Idemitsu cooperation and Sumitomo Metal Mining cathode work are the primary sources for the development claims above. Toyota’s 2025 Integrated Report carries the continuing 2027–28 target, and the METI certification announcement covers the separate performance battery plan.
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