Invinity Energy Systems has released an upgraded Endurium vanadium flow battery module for general sale, claiming a 50% increase in energy capacity and a 33% increase in peak power output compared with the previous version.
The AIM-quoted manufacturer said the gains were achieved through increased electrolyte capacity, upgraded electrical and power distribution subsystems, and improvements to fluid management and control system algorithms. The higher power and energy density means fewer Endurium modules are required to deliver the same electrical performance, reducing equipment and space requirements and supporting lower installation and lifecycle costs.
Cost reduction roadmap
Invinity described the upgrade as an important milestone in executing its product roadmap and as further evidence of delivery against cost reduction objectives recently reiterated to shareholders. The company expects the improvements to reduce its own costs, improve margins and strengthen Endurium's competitiveness as it scales.
“Product development is a continual process,” said CEO Jonathan Marren, adding that further improvements on the roadmap are focused on customer value and cost reduction.
The company did not disclose project-level cost savings. It also did not quantify how the module's levelised cost of storage changes, which will depend on site-specific balance-of-plant, installation and financing costs.
Positioning against lithium-ion
Invinity manufactures vanadium flow batteries at factories in the UK and Canada and claims gigawatt-hours of electricity dispatched for customers worldwide. Endurium systems are engineered for heavy-duty, high-throughput applications, do not wear out, cannot catch fire, and are designed to operate for 30 years or more, according to the company.
Those attributes are being marketed as a safer alternative to lithium-ion batteries, particularly for facilities where thermal runaway risk or cycle-life replacement costs are concerns. Flow batteries generally have lower energy density and higher upfront capital costs than lithium-ion, so module-level cost reductions are closely watched by developers.
The upgrade comes as Invinity prepares for a £25 million conditional fundraising and awaits Ofgem's final decision on its cap-and-floor long-duration storage scheme, which provisionally shortlisted 16 projects including one using Invinity technology. Those policy and financing catalysts could matter as much as product performance for the company's near-term commercial traction.
This article was assisted by AI analysis. Please refer to the original source for official information.