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Ilika said its partnership with Brompton Bicycle is intended to demonstrate real-world demand for its Goliath battery technology, which is primarily being developed for electric vehicle applications. The company is now using its 10Ah prototypes to explore additional use cases, including e-bikes.
Graeme Purdy described the collaboration as “a really exciting one,” adding that the battery’s characteristics align closely with Brompton’s design and mobility goals. He said the project reflects an intersection between Ilika’s EV-focused Goliath programme and the application areas being tested through the 10Ah prototypes provided to potential partners over recent months.
Purdy highlighted two main advantages of the Goliath batteries: improved energy density and an enhanced safety profile. He said reducing battery weight is particularly important for e-bike users because it can improve range and make bikes easier to carry and integrate into multi-modal journeys.
He also pointed to the value of an intrinsically safe battery in lowering risk when transporting e-bikes on public transport, including trains and buses.
Looking ahead, Ilika plans to integrate its battery technology into Brompton’s designs. Purdy said the programme will include milestones tied to technical progress and prototype development, with demonstrations of working e-bikes expected as the initiative moves toward trials in 2027.
Purdy said the collaboration also reflects a broader opportunity in the rapidly expanding global e-bike market, citing strong demand and strict safety regulations in key regions such as China. He noted that China is a major export market for Brompton and that safety requirements there are among the most stringent for e-bike batteries.
In discussing what investors should watch, Purdy said Ilika will take its standard 10Ah designs and build an e-bike-optimised pack to house the cells, then integrate it into Brompton’s bicycle design. He said milestones are expected around technical integration and progress, followed by the availability of prototype bikes and demonstrations of their performance as testing advances.
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