Peugeot Citroën Battery Manager 9675350380/9675350280 Fits 308S/408/4008/C4

This replacement part matches OEM standards in materials and process; case made of high-heat flame-retardant engineering plastic; internal circuit board coated with three anti-corrosion and moisture-proof layers; better moisture and vibration resistance than some early factory batches. OEM 9675350380/9675350280; fits Peugeot 308S, 408, 3008, 4008 and Citroën C4 Picasso. Function: battery charge/discharge management, stop/start logic control, and voltage stabilization; directly relates to vehicle starting and electrical system reliability. Replacement difficulty medium; disconnect battery negative and match with BSI system; those without circuit experience may trigger fault codes.