Maximize Your Charging Efficiency with Mastervolt Alpha Pro III and Extended Harness

Discover unparalleled charging performance with the Mastervolt Alpha Pro III, now equipped with an Extended 13' Harness for even greater installation flexibility. This advanced charge regulator transforms any N-type alternator into a highly efficient, temperature-controlled 3-step charging powerhouse, ensuring your batteries receive the optimum charge every time.

• Seamless integration with Mastervolt Alpha alternators and other brands for universal application.
• Innovative 3-step+ charging method for fast and safe battery charging.
• Extended harness with alternator temperature sensor for enhanced performance monitoring.
• Fanless cooling for silent operation.
• Supports both 12V and 24V systems for versatile usage.
• LED display for easy monitoring of charging status.
• MasterBus compatibility for integrated system control.

Technical Excellence for Optimal Charging

The Mastervolt Alpha Pro III is engineered to optimize your alternator's output, significantly reducing engine run times and cutting emissions. Its ability to charge batteries efficiently at low RPM, especially when paired with an Alpha series alternator, sets it apart from conventional regulators. The 'keep alive' feature ensures reliable tachometer readings, eliminating common issues associated with alternator-based charging systems.

Whether you're looking to upgrade your marine, mobile, or off-grid charging system, the Mastervolt Alpha Pro III with its extended harness offers a superior solution. By enabling simultaneous charging of multiple battery banks through connection to a Battery Mate or isolator, it provides a comprehensive charging solution that stands out for its efficiency, reliability, and ease of use.