[kezo]

Found it lol!

It sounds verymuch like a 48V mild hybrid with small electric motor to help with low torque full electric driving around town say.

https://www.media.stellantis.com/uk-en/citroen/press/citroen-introduces-c5-aircross-hybrid-136-a-new-and-accessible-electrified-offering-with-no-re-charging-required