Repurposing

Using a battery, or parts of it, for a purpose other than the one it was designed for, such as a car battery in a stationary system.

Explained in

Battery storage · Stop 04What does a battery need for safety and permits?Safety tests in EU law, fire protection on site, the battery passport and second-life batteries: what a stationary system needs before and during operation.

Repurposing: EU law defines repurposing as using a battery, or parts of it, for a purpose other than the one it was designed for, such as a former car battery in a stationary system. Its safety documentation must then be reviewed.

From “Passport and second life”, stop 04
  1. Battery passportAn electronic record required from 18 February 2027 for EV batteries, batteries for light means of transport and industrial batteries above 2 kWh, with information on the model and the individual battery.
  1. EUR-Lex: Regulation (EU) 2023/1542 on batteries, Articles 3, 12, 14 and 77 and Annex V. https://eur-lex.europa.eu/eli/reg/2023/1542/oj. Checked 09 Oct 2026. © European Union, reused under Commission Decision 2011/833/EU.
  2. EUR-Lex: Regulation (EU) 2023/1542 on batteries, Articles 3, 12, 14 and 77 and Annex V. https://eur-lex.europa.eu/eli/reg/2023/1542/oj. Checked 09 Oct 2026. © European Union, reused under Commission Decision 2011/833/EU.