Description
The Mastervolt ChargeMaster 24/20-3 is a state-of-the-art battery charger designed to meet the demanding needs of recreational and semi-professional users. Whether you are navigating the seas on a yacht or managing a complex battery system in an RV, this charger ensures optimal performance, safety, and longevity for your batteries. Its cutting-edge features and robust design make it an indispensable tool for marine and land-based applications.
Its advanced three-step charging technology guarantees full and safe charging, even for deeply discharged batteries. With global compatibility and integrated safety features, it delivers peace of mind for users operating in diverse environments. Compact, lightweight, and built to last, this charger is perfect for those who need a reliable solution for maintaining their power systems.
Unique Features and Benefits
Advanced Three-Step+ Charging Technology
The Mastervolt ChargeMaster 24/20-3 utilizes three-step+ charging technology to ensure your batteries are fully charged and maintained in peak condition. This technology prevents overcharging, extends battery life, and optimizes energy efficiency, even when working with different types of batteries.
Multi-Battery Support
With the ability to charge up to three separate battery banks simultaneously, this charger provides a seamless solution for managing complex power systems. Each output is intelligently regulated to deliver optimal performance for every connected battery.
Global Compatibility
Operating on a wide input voltage range of 90–265 V and frequencies of 50 or 60 Hz, the Mastervolt ChargeMaster 24/20-3 adapts effortlessly to power systems worldwide. This feature ensures consistent performance regardless of location, making it an excellent choice for frequent travelers or global operations.
Built-In Safety Features
Safety is a priority with the Mastervolt ChargeMaster 24/20-3. Its advanced protection systems shield your batteries from over-temperature, short circuits, overvoltage, and undervoltage scenarios. Additionally, its robust connectors with stress relief mechanisms prevent overheating and corrosion, ensuring long-lasting reliability.
MasterBus Integration
The charger integrates seamlessly with the MasterBus communication network, enabling centralized monitoring and control of your battery system. This feature allows you to optimize power management with real-time data and remote access options.
Practical Applications
The Mastervolt ChargeMaster 24/20-3 is versatile enough to handle a wide range of scenarios, including:
- Marine Applications: Perfect for yachts, sailboats, and motorboats, ensuring reliable battery performance for navigation systems, lighting, and communication equipment.
- Recreational Vehicles (RVs): Keeps your battery system charged and ready to power appliances, lighting, and other essentials during road trips or off-grid camping.
- Semi-Professional Use: Ideal for small businesses or operations requiring consistent and reliable battery power for equipment or tools.
Whether you’re managing a single vessel or a fleet, this charger is an important component for ensuring your power systems operate at their best.
General Specifications |
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Nominal output voltage | 24 V |
Total charge current | 20 A at 28.8 V |
Number of battery outlets | 3 |
Charge current second output | 20 A |
Charge current third output | 20 A |
Battery bank size | 40-200 Ah |
Nominal input voltage | 120/230 V (90-265 V), 50/60 Hz |
AC connection | connector strips |
Power supply mode | yes |
Galvanic isolation | yes |
Display/read-out | LED display |
Fastening | mounting bracket (included) or 4x screw |
Dimensions, hxwxd | 291 x 210 x 131 mm 11.5 x 8.3 x 5.2 inch |
Weight | 4 kg 8.8 lb |
Compliance | CE, ABYC A-31, SAE J1171/ISO 8846 ignition protected, RMRS, RRR |
Optional | Quick Connect (OEM) version with WAGO 770-113 connector and 25 cm cable, product code 44020202 |
Technical Specifications |
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Charge characteristic | IUoUo, automatic 3-step+ for gel/AGM/wet/Lithium Ion |
Charge voltage Bulk | 28.8 V |
Charge voltage Absorption | 28.5 V |
Absorption time | 4 hours |
Charge voltage Float (wet batteries) | 26.5 V |
Charge voltage Float (Gel/AGM batteries) | 27.6 V |
Temperature compensation | yes |
DC voltage compensation | automatic |
Power consumption (DC side) | < 2.5 mA |
Full load consumption (230 V AC) | 660 W |
Current Control function | yes, through MasterBus |
Power factor control | ≥ 0.98 |
Temperature range (ambient temp.) | -25 °C to 60 °C, derating < 0 °C and > 40 °C -13 °F to 140 °F |
Cooling | vario fan |
Protection degree | IP23 |
Protections | over temperature, over load, short circuit, high/low battery voltage |
MasterBus compatible | yes |
Why Choose Mastervolt ChargeMaster 24/20-3?
The Mastervolt ChargeMaster 24/20-3 stands out for its unparalleled combination of efficiency, versatility, and durability. Its ability to handle multiple battery types, support global voltage standards, and provide robust safety features makes it a trusted choice for professionals and enthusiasts alike. Whether you’re exploring remote waters or driving cross-country, this charger guarantees your batteries remain charged and reliable.
Ready to upgrade your battery charging system? Explore our full range of marine battery chargers, including the Mastervolt ChargeMaster 24/20-3 in: Marine Battery Chargers and find the perfect solution for your needs. Ensure your power systems are always reliable and efficient. Discover the best options for your marine and recreational power requirements today!
Weight | 13 lbs |
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Dimensions | 15 × 11 × 8 in |