2025 Battery Voltage Regulator. Common symptoms of a bad voltage regulator include dimming or flickering headlights, erratic dashboard lights, and a battery warning light on the dashboard. It is a 36 v in (max), 12 a power module in a high density 16 mm × 16 mm × 8.34.

They are using zener + npn regulator for everything: The voltage regulator ensures that the voltage from the solar panel.