Leclanché is a Swiss lithium-ion cells and related technologies manufacturer founded in 1909.

The company has its headquarters in Yverdon-les-Bains, Switzerland and production facilities in Willstätt in the state of Baden-Württemberg, Germany.

In 2017, the company announced a trial to install energy storage batteries at sites owned by Dutch charging station operator Fastned.

[2] Since 2020, the company has been quite active in the production of heavy duty industrial battery packs for usage in rail, marine and heavy-duty ground vehicles applications.

At the end of the second quarter 2012, Leclanché started operations of its first production line with an installed annual capacity of up to 76 MWh in lithium titanate cells.