100% of WATTALPS batteries are manufactured in our own French plant

Industrial welding robot : best in class technology to ensure quality and traceability.

High quality module manufacturing :

Cells from best in class quality suppliers with stock in Europe
Parts from qualified european suppliers
7 discriminative testing steps done for 100% of our production
Traceability of critical components and test at cell and module level

Production capacity : up to 50 MWh/year.

Design and process: an automotive quality manufacturing process

Assembled in France WATTALPS high performance batteries are equipped with standard cells manufactured in very high quantity (18650 – the mostly used format). In this format, most of the cell chemistries are available and comes from renowned Asian manufacturers (mainly Korean and Japanese). The customer has the insurance to always have access to state-of-the-art performance.

The thermal regulation of the battery has been developed with the know-how and expertise of CEA, a famous French Technology Research Institute. It is combined with a high-end safety electronic system coming from the famous German Technology Research Institute, Fraunhofer IISB. These two technologies and a rigorous product development ensure optimal life and high safety in all circumstances.

Fulfilling automotive regulations, a special attention is given to the manufacturing of the batteries to make this product reliable.

WATTALPS - Advanced Lithium Power Systems Datasheet