You must drop it off at a tip or you can benefit from the proximity service « Relais Tri Mobile » (Mobile Sorting Centre). You can also find battery collection points in most supermarket chains. Locate all the sites on https://www.corepile.fr/

ZERO WASTE – HANDY TIP: to reduce your production of waste, you can replace disposable batteries by rechargeable batteries.
For private individuals, access to tips in the CAP AZUR network is free of charge for up to 3 tons per year.
Deposits at the Mobile Sorting Centre are limited to 1 metre in length, 200 litres and 30 kg.