Nyobolt says its driveable electric-coupe demonstrator, engineered with CALLUM, charged from 10% to 80% in 4 minutes 37 seconds during initial in-vehicle testing in 2024. The test used a 350 kW, 800 V DC fast charger; Nyobolt also reported a constant 500 A for the first four minutes. That is a company-reported prototype result under demanding conditions—not an empty-to-full charge or a typical charging time for electric cars.
What does “under five minutes” mean?
The reported 4 minutes 37 seconds covers a rise from 10% to 80% state of charge. It does not mean the car charged from empty to full in that time. Nyobolt announced the initial in-vehicle test on June 28, 2024, specifying the charge window and equipment in its announcement. New Atlas reported the result at the time, citing Nyobolt’s claims rather than independently confirming the performance data: its coverage.
What was tested?
The vehicle is a driveable technology demonstrator engineered by Nyobolt with CALLUM, not an identified retail sports car. Nyobolt described the prototype as a way to advance real-world testing and show the technology to automakers.
| Reported specification | Nyobolt’s figure |
|---|---|
| Battery | 50 Ah, 35 kWh |
| Charging result | 10% to 80% in 4 minutes 37 seconds |
| Test charger | 350 kW, 800 V DC fast charger |
| Current during the test | Constant 500 A for the first four minutes |
| Full-charge range | 155 miles on the WLTP measure |
| Range added in four minutes | 120 miles, as stated by Nyobolt |
These are figures Nyobolt published for its prototype, not independently established specifications for a production vehicle. The 120-mile figure is the company’s stated range gained in four minutes; it should not be treated as a guaranteed result across different routes, conditions or chargers.
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Why the charger and charge window matter
A 350 kW, 800 V DC charger is a key part of the reported setup. A charging station’s advertised maximum power alone does not establish that a particular vehicle will receive that power: the car, charger and conditions must support the required voltage and current. Nyobolt’s 500 A figure applies to the first four minutes of its test, not necessarily the entire 10%–80% session.
Charging times are comparable only when the underlying conditions are alike. Check the starting and ending state of charge, battery capacity, charger power and voltage, current profile, temperature, and whether the result comes from a cell test or a complete vehicle. Also distinguish a prototype from a retail car, and WLTP range from other range measures.
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What Nyobolt says about battery longevity
Nyobolt reported two separate cell-cycle results in its announcement. They apply to different cell specifications and should not be mistaken for a validated service-life figure for the demonstrator’s complete battery pack.
- 24.5 Ah cells: Nyobolt said they completed more than 4,000 fast-charge cycles while retaining over 80% capacity.
- 2.6 Ah cells: Nyobolt said independent OEM testing recorded more than 4,400 cycles at a 12C charge rate, a 1C discharge rate and 23°C.
The second claim is explicitly about independent OEM testing of 2.6 Ah cells, as reported by Nyobolt. Neither claim establishes how the whole vehicle pack would age in consumer use.
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Is the coupe going into production?
The available announcement establishes a demonstrator and says Nyobolt was in discussions with eight OEMs about high-performance EV applications. It does not identify those automakers or confirm a production partner, retail launch or present-day availability. Coverage of a production plan at the concept stage in 2023 is not proof that production began.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How should this result be read?
Nyobolt’s test is notable as a reported vehicle-level charging demonstration, but it is not evidence that an electric sports car on sale today can routinely charge in under five minutes. The meaningful claim is narrower: this prototype reportedly went from 10% to 80% in 4 minutes 37 seconds on a specified 350 kW, 800 V charger. Real-world reproducibility at a particular public charging site is not established by the announcement.
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