Battery manufacturing

Why choose a VoltR battery?


We guarantee a level of performance equivalent or even higher than a new battery

Remade in France

All our batteries are remanufactured in our factory in France in Angers.


100% of the cells used are second-life, which makes it possible to avoid the extraction of new resources and limit waste.

Our products and services

Portable electric battery
Battery compatible with Makita, Bosh, Riyobi... Or custom product
Electric bike battery
Battery from 24V to 48V and 5000Ah to 21000Ah. Or custom product
Power Bank battery
Powerbank from 3000mAh to 15000mAh. Or custom product
Domestic Nomad Device
Standard or custom battery for lighting, speaker...
Request a quotation

Eco-design your product

A new battery weighs heavily in the carbon footprint of a product. Remanufactured batteries are an alternative that combines performance and eco-responsibility

Relocating its supplies

Choosing batteries made in France makes it possible to reduce transport costs and to better control its sourcing.

Limiting the cost of components

Our unit prices are competitive with Asian market standards.

A project? A question?

Our teams are at your disposal to discuss your project and your needs.

Contact us

A rigorous industrial process that regenerates value

Innovative characterization solution

All our cells are tested and characterized using advanced technology combining artificial intelligence and modeling. Our algorithms allow us to determine the health status of a cell and to make homogeneous packs for a given use.

Standard or custom battery

We assemble and design packs adapted to your needs (design, power, autonomy...). We select cells that scrupulously meet the performance of your specifications.

Our certifications and guarantees

We certify all our products according to the requirements of the European market. We adapt certifications and markings according to your needs.

IEC 62133
A 38.3
Other certifications on request

Main markets of our batteries

Our latest case studies

Our customers explain their issues related to the lithium batteries built in their product. And how we helped them to relocalize and decarbonize their production

See all cases