Spanish battery manufacturer Ionly has started serial production of LFP residential batteries at its new semi-automated production line in Valencia, Spain, while expanding its storage portfolio toward commercial, industrial, and utility-scale applications.
The new production line moves the company from manual prototype assembly to an industrial manufacturing model developed entirely in Spain. Ionly said the facility will increase production capacity, improve assembly processes, and strengthen quality control and traceability for each battery unit.
The company said the line follows more than 18 months of industrial development, during which it adapted its products to the requirements of the European Union’s Battery Regulation (EU) 2023/1542, including sustainability, traceability, reparability, and circular economy criteria.
Ionly carries out its production activities at its Rafelbunyol site, where it assembles battery cells into finished systems. The company said it does not outsource production and works with suppliers in the Valencia region for components including chassis, wiring, and plastic parts.
Before commissioning the semi-automated line, Ionly had an annual manufacturing capacity of 20 MWh, which could be expanded to 100 MWh through further automation, according to the company.
The company launched its 5 kWh Ionly XYZ residential battery in 2025, based on LFP technology. Ionly said up to 90% of the product’s added value is generated within the European Union through in-house assembly, European component selection, and a localized supply chain.
Ionly is also developing a 50 kWh commercial and industrial (C&I) storage system that can be scaled up to 800 kWh. The system will be available with new LFP cells as well as second-life cells from the automotive sector.
The company plans to introduce a 409.6 V, 43.2 kWh battery system and develop storage solutions for small and medium-sized enterprises and photovoltaic plants. Its roadmap also includes launching a containerized utility-scale storage system in a 20-foot container by 2028.
In March, Ionly raised €1.2 million ($1.4 million) in funding from investors including Angels, the investment company of Juan Roig within Marina de Empresas, as well as Pascal Management, Lionbest, Zemsania, and public institutions including ENISA, AVI, IVF, and CDTI. The company said the funds will support production automation, operational improvements, and increased battery manufacturing volumes.
Ionly currently sells its storage solutions in Spain and Portugal and plans to expand into other Mediterranean and Caribbean markets.
From pv magazine España
The post Spain’s Ionly launches semi-automated residential battery production line appeared first on Energy Storage.
