The $2.5 million Rimac Nevera all-electric hypercar has begun rolling off the assembly line, launching on the world stage as the fastest production car and an emblem of the Croatian EV maker’s advanced battery technology.

The sleek, low-slung 1,914-horsepower two-seater is the first model to test the strength of the November merger between French supercar maker Bugatti and the hypercar division of Rimac Automobili, a fast-growing EV startup that counts as one of Croatia’s two unicorns.

So far, the Nevera posts impressive figures. The company claims that it can accelerate from zero to 60 mph in 1.85 seconds — faster than any other production car — and that its 150-unit production run is sold out.

But the success of the seven-figure coupe is perhaps even more crucial to Rimac’s other business, the fledgling Rimac Technology subsidiary that supplies advanced EV technology and components to mainstream automakers, from Porsche to Pininfarina. Rimac’s niche will be supplying battery technology specifically around software optimization, advanced driver assistance systems and energy storage.

The company’s small-batch hypercars grab attention, but the tech subsidiary allows Rimac to scale its business ahead of an eventual IPO. Founder and CEO Mate Rimac said in June that the tech subsidiary will eventually produce tens of thousands of EV components each year.

The automaker will produce parts for the Nevera at Rimac’s own facilities, which…