Nyobolt raises $60M and becomes a unicorn thanks to batteries for SymBot

Nyobolt, a British startup based in Cambridge, has closed a $60 million Series C round at a $1 billion valuation. It is the company's first time reaching unicorn status, and it did so not with AI software or a platform, but with physical batteries that already power real autonomous machines in commercial settings.

Batteries that last 20,000 cycles

Nyobolt's main achievement is a battery with extremely fast charging. The company's batteries charge fully in just a few minutes, and under laboratory conditions even in a few seconds. They also withstand 20,000 full charge-discharge cycles without noticeable capacity degradation. For comparison, a standard lithium-ion battery starts losing capacity after just 1,000–3,000 cycles and needs replacing.

The round was led by Symbotic, a NASDAQ-listed company specializing in AI-driven robotics. It is not just an investor but already a customer and partner: Symbotic installs Nyobolt batteries in its SymBot, autonomous mobile robots for automating warehouses and logistics centers.

Why the battery solves the problem

In an automated warehouse, battery lifespan directly determines the economics. SymBots work around the clock: they move goods between departments, sort cargo and feed items onto conveyors. If a robot has to stop to charge every 4–6 hours, productivity will drop by 20–30%, and the automation investment will not pay off within the promised timeframe.

Nyobolt's batteries address this problem head-on:

• A robot can work a full shift (12–16 hours) without recharging
• A fast overnight recharge fully restores capacity by morning
• Long lifespan (20,000 cycles = ~5–7 years of intensive use) lowers the cost of ownership
• The battery's compact size saves weight and space in the robot's design
• Stable performance throughout its life, with no drop-off at the end

How this changes the market

Until now, investment in battery technology has mostly gone to electric vehicles. Tesla, Panasonic and CATL are fighting for share in the EV market, where the money is big but the competition is brutal. Nyobolt chose a different path: a narrow market (warehouse robotics), but with higher margins and less competition.

Symbotic chose

Nyobolt not for big words, but because the batteries already work in real warehouses and prove their value through performance figures.

What this means

Over the next 3–5 years, batteries will become as much of a business factor in robotics as processors were in the 2010s. The company that gives warehouse robots a week of autonomy, or a battery that lives 100,000 cycles, will win the market. Symbotic chose Nyobolt because it is not a promise but a working system. For the startup this is safer: the customer pays not for the future but for today, for real robots in real warehouses.