Peugeot 308 key fob battery (2013–2021): CR1620 or CR2032
It depends on the key: key without Keyless Entry and Starting takes one CR1620; keyless Entry and Starting electronic key takes one CR2032.
Key without Keyless Entry and Starting
CR1620× 13V lithium coin cell
Also sold as DL1620, ECR1620, KECR1620, 5009LC · CR1620 details
Source: Peugeot 308 handbook
Keyless Entry and Starting electronic key
CR2032× 13V lithium coin cell
Also sold as DL2032, ECR2032, KECR2032, 5004LC · CR2032 details
Source: Peugeot 308 handbook
Before you swap it
- A CR1620 is 2 mm thick. CR1632 looks the same from the front, but it isn't the same cell, and a thinner one can rattle or lose contact.
- Keep the old cell until the new one works. If the car still won't respond, the new cell is usually in the wrong way up.
Quick answers
Which battery goes in the Peugeot 308 key (2013–2021)?
Key without Keyless Entry and Starting: one CR1620 3V lithium coin cell. Keyless Entry and Starting electronic key: one CR2032 3V lithium coin cell.
Is DL1620 the same as CR1620?
Yes. DL1620 is CR1620, and DL2032 is CR2032: same cells, other names.
Will a CR1632 fit instead of a CR1620?
No. It's the same 16 mm width but 3.2 mm thick, against 2 mm for a CR1620. Use a CR1620.