Nyobolt’s batteries charge in seconds and last 20,000 cycles. The customer that made it a unicorn is a warehouse robot.

https://media.thenextweb.com/2026/05/nyobolt-series-c-unicorn-ultrafast-battery-symbotic-robots.avif

TL;DR

Cambridge battery startup Nyobolt has raised 60 million dollars at a one billion dollar valuation, led by Symbotic, the robotics company whose warehouse robots already run on Nyobolt’s ultrafast-charging niobium tungsten oxide cells. The batteries charge in under five minutes, survive 20,000 cycles, and target physical AI and data centre power systems rather than electric vehicles.

The battery that made Nyobolt a unicorn does not power a car. It powers a warehouse robot. The Cambridge-based startup announced on Tuesday that it has closed a 60 million dollar Series C round at a one billion dollar valuation, led by Symbotic, the Nasdaq-listed AI robotics company whose SymBot autonomous mobile robots already run on Nyobolt’s cells. The round brings total funding to approximately 160 million dollars and values a company that was founded in 2019 on research into niobium tungsten oxide anodes conducted at the University of Cambridge by Professor Dame...

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