Nyobolt closed a $60 million Series C round at a $1 billion valuation, betting that the next bottleneck in artificial intelligence infrastructure is not compute but the power electronics feeding it. The Cambridge, UK, battery maker said the round was led by Symbotic, the Nasdaq-listed warehouse robotics company, with participation from IQ Capital, Latitude, Scania Invest and CBMM.
The pitch centers on a physics problem rather than a chip problem. GPU racks running large AI workloads draw power in sharp, unpredictable bursts, and legacy uninterruptible power supplies were built for steadier industrial loads. Nyobolt's ultra-fast charging cells are designed to absorb those transients without the downtime that conventional battery chemistry requires for a full charge cycle. The same swings show up on factory floors and in warehouses, where autonomous robots need to top up power in seconds rather than sit idle on a charger.
Symbotic is both an investor and a customer. Nyobolt said its battery delivers six times the energy capacity of the ultracapacitors Symbotic previously used in its SymBot autonomous mobile robots, at 40% less weight and at least ten times the cycle life of conventional lithium-ion cells. That combination lets the robots run continuously across 24-hour warehouse shifts.
"Nyobolt is enabling the always-on, always-moving infrastructure that physical AI demands," said Sai Shivareddy, the company's co-founder and chief executive. "The enterprises deploying autonomous systems at scale can't afford downtime, swap time, or power flickers."
Its chief strategy officer, Bill Boyd, framed the investment as backing infrastructure rather than a single product line. "We're proud to partner with Nyobolt and invest in the next phase of their growth," he said. "Nyobolt's proven technology is a key enabler of enhanced uptime and efficiency for our customers."
Revenue grew five times year over year, Nyobolt said, a pace it attributed to demand pulling in from both robotics manufacturers and data center operators rather than one segment alone. The company is also working with an unnamed humanoid robotics developer to extend the time machines can work between charges.
Geographically, the raise funds an expansion into India. Nyobolt signed a memorandum of understanding with the state of Rajasthan to bring more than 100 megawatts of off-grid AI data center and power management infrastructure to the region, which it described as the first of a planned multistate presence focused on renewable and grid-independent storage.
None of this is independently audited. The revenue growth figure, the customer performance claims and the valuation all come from Nyobolt's own release, and the company has not disclosed absolute revenue, only a multiple. What is verifiable is the funding mechanics: the amount, the lead investor, and the fact that a public robotics company is putting its balance sheet behind a battery supplier's power claims rather than just its marketing.
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