Mastervolt Alpha Pro III Charge Regulator

The Mastervolt Alpha Pro III Charge Regulator is an advanced 3-step charging solution designed for both standard and high-performance alternators. Engineered to optimize battery charging, this regulator increases efficiency, reduces charge times, and protects your electrical system from overvoltage and overheating.

Perfect for marine and mobile applications, the Alpha Pro III ensures batteries receive the correct charging profile under all conditions. With intelligent temperature sensing, optimized alternator control, and Mastervolt’s proven reliability, this unit delivers the stable power needed for demanding onboard systems.

Ideal for boats, yachts, RVs, off-grid installations, and any application requiring enhanced alternator performance.

Ideal for boats, yachts, RVs, off-grid installations, and any application requiring enhanced alternator performance.