Collection: Alternators & Regulators

Power your boat’s electrical systems and keep your batteries charged with our range of marine alternators and regulators. Explore replacement and high-output alternators, external regulators and charging accessories for marine battery installations.

Whether you’re replacing an existing unit or upgrading your charging system, choose the right voltage, mounting configuration and regulator compatibility for your engine and battery bank. For lithium installations, check that the alternator, regulator and battery management system are designed to work together.

Need help finding the right setup? Contact Boat Parts Superstore for advice.