SKU:
EX 45513000
€ 464,37
1-2 weeks delivery time
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Mastervolt 45513000 - Alpha Pro III is a next-generation 3-step charge regulator engineered to maximize the performance of both standard and high-output alternators (up to 400 A). Designed for marine and mobile power systems, it transforms a conventional alternator into a full-featured battery charger, optimizing battery health and shortening charging time. With support for 12V and 24V systems, integrated battery temperature and voltage sensing, engine load balancing, and MasterBus communication, it delivers smart charging with maximum protection. The compact design and “keep-alive” tachometer support make it an essential upgrade for any professional DC system.
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Mastervolt 45513000 - Alpha Pro III Charge Regulator – Advanced 3-Step Controller for 12V/24V Alternators up to 400A
The Mastervolt Alpha Pro III is a high-performance charge regulator designed to convert standard and high-output alternators into intelligent, temperature-controlled 3-step battery chargers. Ideal for marine vessels, RVs, and off-grid applications, it enables faster, safer, and more efficient charging while protecting your batteries and alternator.
Key Features:
- Converts standard alternators into 3-step smart chargers
- Compatible with alternators up to 400 A (20 A field current)
- Supports 12 V and 24 V battery systems
- Built-in battery temperature and voltage sensing
- Reduces engine run time, fuel use, noise, and emissions
- ‘Keep alive’ signal ensures reliable tachometer operation
- Manages engine RPM for stable performance and reduced wear
- Extends battery life by preventing overcharging
- MasterBus compatible – real-time communication and integration with Mastervolt systems
- Works with all battery types including AGM, Gel, Flooded, and Lithium Ion
Specifications:
Product Code 45513000 System Voltage 12 V / 24 V Field Current Output Up to 20 A Alternator Compatibility Standard and high-performance alternators (up to 400 A) Charge Algorithm 3-step: Bulk, Absorption, Float Battery Compatibility AGM, Gel, Flooded, Lithium Ion Temperature Sensing Battery temperature input (sensor included) Voltage Sensing Battery voltage sense wire Communication Interface MasterBus Tachometer Support Integrated keep-alive signal Cooling Passive (no fan) Protection Over-temperature, over-voltage, short circuit, reverse polarity
Applications:
- Marine charging systems – optimize existing or upgraded alternators
- Recreational vehicles and service trucks requiring fast battery recharge
- Mobile off-grid systems and overland setups
- Generator replacement when paired with Mastervolt Alpha alternators
- Lithium-based energy systems requiring precise alternator control
Documents
Alpha Pro III - User Manual Size: 1021,5 Kb -
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