Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
Harnessing Excellence: Mastervolt's Advanced Marine Power Solutions
Mastervolt's commitment to excellence extends to their isolator technology, ensuring optimal performance and reliability in power distribution systems. Additionally, with features like Mastervolt’s Chargemaster guaranteeing fast charging times and innovative 3-bank battery chargers, our website offers cutting-edge solutions for marine power needs. Whether it's the next generation of battery chargers or integrated systems like the Combimaster 24V, Mastervolt's range of products reflects their vast expertise and commitment to delivering top-quality electrical solutions for marine applications.Email us: info@yacht-supply24.com or fill our Feedback form.
You can also fill out the "Ask a question" form on the right or at the bottom of the page.
|
1-2 weeks delivery time The Mastervolt MasterBus Cable 0.2 m (Part No. 77040020) is a short, ruggedized communication and power cable designed for connecting MasterBus-compatible devices in confined or modular installations. With built-in support for both data transfer and low-voltage power supply, it enables plug-and-play integration of battery chargers, inverters, monitoring panels, and interfaces across your Mastervolt network. Its high-quality shielding and construction ensure durability and electromagnetic compatibility, even in demanding marine or mobile environments. |
$ 13.88
-
+
|
|
1-2 weeks delivery time The Mastervolt MasterBus Cable 0.5 m (Part No. 77040050) is a durable communication and power cable designed for interconnecting MasterBus-compatible devices in demanding environments. It simultaneously carries data and low-voltage power through one ruggedized connection, simplifying installations and reducing cable clutter. Ideal for compact systems, this 0.5-meter length is suitable for linking adjacent chargers, inverters, monitoring panels, or interfaces within confined control panels or battery compartments. |
$ 15.97
-
+
|
|
1-2 weeks delivery time The Mastervolt MasterBus Cable 1 m (Part No. 77040100) is a ruggedized dual-purpose cable that transmits both data and power within the MasterBus communication network. Designed for durability and plug-and-play simplicity, it’s suitable for connecting MasterBus-enabled devices such as chargers, inverters, batteries, and system monitors across short-to-medium distances. The 1-meter length provides ideal flexibility in modular installations while ensuring stable, interference-free communication even in harsh marine and mobile environments. |
$ 20.43
-
+
|
|
1-2 weeks delivery time The Mastervolt MasterBus Cable 3 m (Part No. 77040300) is a rugged, shielded cable that enables both power transmission and data communication within Mastervolt’s proprietary MasterBus network. With its 3-meter length, it is ideal for medium-range connections between system components such as battery chargers, inverters, lithium batteries, and control panels—even across different compartments. Built to withstand harsh marine and mobile conditions, this cable ensures a stable, interference-free link for optimal system performance. |
$ 22.61
-
+
|
|
1-2 weeks delivery time The Mastervolt MasterBus Cable 6 m (Part No. 77040600) is a robust, shielded communication and power cable used in Mastervolt's integrated MasterBus systems. Designed to operate reliably in harsh marine, mobile, and industrial environments, this 6-meter cable supports both data exchange and power delivery to connected MasterBus-compatible devices. Its extended length is ideal for connecting devices located in separate compartments, across engine rooms, or throughout complex installations like yachts, RVs, and off-grid systems. |
$ 25.06
-
+
|
|
1-2 weeks delivery time The Mastervolt 77050000 DIY Kit provides everything needed for custom-length MasterBus cable installations. This all-in-one solution includes a high-quality RJ45 crimping tool, 50 RJ45 connectors, 50 green strain relief boots, and 100 meters of durable green MasterBus CAT5E UTP cable. Designed for marine and mobile applications, the kit enables reliable creation of professional-grade MasterBus communication lines with minimal signal loss and full compatibility with all Mastervolt networking components. |
$ 291.11
-
+
|
|
1-2 weeks delivery time The Mastervolt DC Master 24/12-6 (81400200) is a compact, non-isolated DC/DC converter designed to step down 24 VDC input to a stabilized 13.6 VDC output. Delivering a continuous current of 6 A (82 W nominal power) and up to 10 A (136 W) for 2-minute peak demands, it suits marine and mobile environments requiring reliable 12 V power. With a rugged IP53-rated enclosure, passive cooling, and compact dimensions (89 x 87 x 50 mm), it ensures space-efficient, silent operation in harsh conditions. Ideal for recreational and semi-professional applications, this unit supports negative earthing and comes complete with mounting hardware. |
$ 122.25
-
+
|
|
1-2 weeks delivery time The Mastervolt DC Master 24/12-12 (81400300) is a non-isolated, high-performance DC-DC converter designed to provide a stable 13.6 VDC output from a 24 VDC input source. Delivering 12 A continuously (164 W nominal) and up to 18 A (245 W) for 2-minute peak loads, it's ideal for supplying 12 V equipment in marine, vehicle, or off-grid systems. Compact (127 x 87 x 50 mm), lightweight (0.405 kg), and naturally cooled, this unit combines installation ease with high energy efficiency. Engineered for negative-ground systems and supplied complete with mounting hardware, it's a solid solution for semi-professional and recreational setups. |
$ 174.63
-
+
|
|
1-2 weeks delivery time The Mastervolt DC Master 24/12-24 (81400330) is a robust non-isolated DC-DC converter that transforms 24 VDC input to a stable 13.6 VDC output. Delivering 24 A continuously (326 W nominal) and up to 30 A (408 W) during 2-minute peak loads, it is purpose-built for high-current 12 V applications in marine, automotive, and mobile setups. The converter features a compact IP53-rated housing (167 x 87 x 50 mm), natural convection cooling, and high efficiency with minimal heat generation. Designed for negative ground systems, the unit comes with mounting hardware for quick and secure installation. |
$ 401.65
-
+
|
|
1-2 weeks delivery time The Mastervolt DC Master 12/24-7 (81400500) is a non-isolated step-up DC-DC converter designed to provide a stabilized 27.2 VDC output from a 12 VDC input. Delivering 7 A continuously (191 W nominal power) and up to 9 A (245 W) for 2-minute peak demand, this converter is ideal for supplying 24 V equipment in low-voltage systems. Its robust IP53-rated design (167 x 87 x 50 mm), natural cooling, and compact form factor support reliable, silent operation in mobile and marine applications. It’s optimized for negative-ground systems and comes with all necessary installation hardware. |
$ 387.68
-
+
|
|
1-2 weeks delivery time The Mastervolt DC Master 24/24-3 (81500400) is an isolated DC-DC converter designed to provide a stabilized 27.2 VDC output from a 24 VDC input source. With 3 A continuous (82 W nominal) and 4 A peak output (109 W for 2 minutes), this model ensures electrical separation between input and output circuits, providing enhanced safety and protection for sensitive systems. Compact (127 x 87 x 50 mm), IP53-rated, and naturally cooled, this converter is suitable for recreational and semi-professional applications requiring galvanic isolation and low-noise operation. |
$ 288.14
-
+
|
|
1-2 weeks delivery time The Mastervolt BI 1202-S (83012021) is a high-performance dual-output battery isolator designed for reliable charging of two independent battery banks from a single alternator or charger. Based on robust diode technology with built-in voltage drop compensation, it supports up to 120 A from an alternator and 80 A from a battery charger. Featuring a solid-state, corrosion-proof design with molded diode splitters and integrated aluminium heat sinks, this isolator ensures maintenance-free operation and efficient energy distribution in marine and vehicle systems. Its compact housing (207 x 140 x 80 mm) and secure bolt-type connections provide fast, secure installation. |
$ 222.48
-
+
|
|
1-2 weeks delivery time The Mastervolt Battery Mate 1603 IG (83116035) is a next-generation, three-output battery isolator engineered for ultra-efficient multi-bank charging from a single alternator or charger. Unlike traditional diode splitters, it uses advanced MOSFET technology to eliminate voltage drops, ensuring full-charge voltage reaches each battery without manual compensation. Supporting up to 160 A from an alternator and 120 A from a battery charger, this compact and rugged unit (207 x 140 x 80 mm) is ideal for high-capacity marine and mobile electrical systems. It features integrated LED status monitoring and solid-state reliability in a corrosion-proof, thermally protected housing. |
$ 390.47
-
+
|
|
1-2 weeks delivery time The Mastervolt Battery Mate 2503 IG (83125035) is a high-capacity, three-output intelligent battery isolator, optimized for alternators up to 250 A and battery chargers up to 200 A. Leveraging MOSFET technology to eliminate voltage drop, it ensures full-charge efficiency across all battery banks without requiring alternator adjustments. The unit features a corrosion-resistant enclosure, integrated aluminium heat sinks, and an LED status display. Designed for reliable, loss-free power distribution in advanced marine and off-grid electrical systems, it installs quickly using bolt-type terminals and includes durable synthetic housing for demanding environments. |
$ 464.87
-
+
|
|
1-2 weeks delivery time The Mastervolt Battery Watch (83200150) is a compact and intelligent battery protection device designed for 12/24 V DC systems. Supporting up to 150 A of continuous DC load, it protects batteries from deep discharge and overvoltage by automatically disconnecting loads based on adjustable thresholds. The unit can also function as a remote main switch and features DIP-switch-configurable undervoltage cut-off levels. Its rugged, corrosion-proof construction (157 x 140 x 80 mm) and LED status indicators ensure durability, safety, and clear monitoring in marine, RV, and off-grid installations. |
$ 368.99
-
+
|
|
1-2 weeks delivery time The Mastervolt Charge Mate 2502 (83302502) is a robust and intelligent battery combiner designed for dual battery systems in 12 V or 24 V setups. It connects batteries during charging and isolates them during discharge, ensuring optimal battery management and preventing main battery depletion. Rated for 500 A continuous current and 2000 A inrush (250 ms), it supports high-demand applications. With operating modes including auto, on, off, and start assist, it enables flexible system integration. Compact (90 x 80 x 85 mm), lightweight (0.65 kg), and with ultra-low power consumption, the Charge Mate 2502 is ideal for mobile and marine installations. |
$ 398.50
-
+
|
|
1-2 weeks delivery time The Mastervolt Mass GI 3.5 kW Isolation Transformer (88000355) is a high-frequency galvanic isolator designed to safely connect onboard systems to shore power while eliminating the risk of galvanic corrosion. Operating on 90–255 V AC at 45–65 Hz, the unit supports 3.5 kW continuous power (16 A @ 230 V) with >93% efficiency. Up to four units can be parallel-coupled for increased capacity (14 kW total). Lightweight (6 kg) and compact (340 x 261 x 144 mm), it features integrated Soft Start, silent operation, MasterBus compatibility, and professional-grade wiring terminals, making it ideal for modern marine AC installations. |
$ 1,955.85
-
+
|
|
1-2 weeks delivery time The Mastervolt Mass GI 7 kW (88000705) is a high-performance galvanic isolation transformer engineered for safe and corrosion-free connection between shore power and onboard AC systems. With an output capacity of 7000 VA (32 A at 230 V), it operates over a broad input range (90–255 V, 45–65 Hz) and achieves >93% efficiency through high-frequency switching technology. Featuring Soft Start, MasterBus compatibility, and compact aluminum housing, this unit is ideal for high-load marine installations. Its compact form factor (340 x 261 x 250 mm) and silent operation ensure flexible mounting and long-term system protection. |
$ 3,492.59
-
+
|
What are the key features of the Mastervolt Chargemaster Plus and Combimaster battery chargers?
The Mastervolt Chargemaster Plus and Combimaster battery chargers represent the next generation of charging solutions for boats and yachts. These chargers integrate multiple functions into a single device, offering advanced power management capabilities for marine applications. With features such as fast charging, integration with multiple energy sources, and compatibility with various battery types, including the latest lithium-ion technology, Mastervolt sets a new standard in electrical systems optimization for marine vessels. The Mastervolt Chargemaster Plus and Combimaster battery chargers redefine marine power management with their innovative design and advanced features. By integrating multiple functions into a single device, these chargers offer unparalleled versatility and efficiency for boat and yacht owners. Whether it's the integration of solar charge capabilities, compatibility with various battery types, or the ability to replace auxiliary chargers, Mastervolt's chargers lead the industry in providing comprehensive electrical solutions tailored to the unique needs of marine environments.
How does Battery Mate enhance the performance of onboard battery systems?
Battery Mate enhances the performance of onboard battery systems by ensuring efficient charging and management of battery banks. It integrates multiple functions into a single device, optimizing power conversion and distribution on marine vessels. With features like system monitoring and simplified operation, Battery Mate contributes to the reliability and longevity of battery systems, providing optimal performance for yacht and boat electrical systems. Battery Mate stands out in enhancing onboard battery systems by its ability to seamlessly integrate multiple functions into a single device, optimizing power management on marine vessels. Whether it's the integration with battery chargers that consolidate multiple functions or the incorporation of innovative features like system monitoring and simplified operation, Battery Mate ensures efficient charging and distribution of power throughout the vessel. This comprehensive approach not only enhances performance but also contributes to the longevity and reliability of battery systems, making it an indispensable component for yacht and boat electrical systems.
How does CZone streamline the management of onboard electrical systems in yachts and boats?
CZone revolutionizes the management of onboard electrical systems in yachts and boats by offering a comprehensive digital control and monitoring solution. With its advanced technology, CZone enables users to effortlessly control various electrical functions and monitor power usage through a centralized interface. By integrating multiple functions into a single device, CZone enhances convenience, efficiency, and safety, making it an indispensable component of modern marine power systems. CZone stands at the forefront of streamlining onboard electrical systems management in yachts and boats, thanks to its innovative approach to digital control and monitoring. By seamlessly integrating multiple functions into a single device, including battery chargers with integrated functions, CZone simplifies the complexity of power management on marine vessels. Whether it's the easy integration with marine products or the ability to monitor critical parameters like temperature and power consumption, CZone offers a wide range of features that enhance convenience, efficiency, and safety, making it an indispensable solution for modern marine power systems.
How do Mastervolt battery chargers manage different battery types such as AGM and lithium?
AGM/Gel batteries use voltage-limited, temperature-compensated absorption. Lithium batteries use direct communication (CAN-bus) for BMS-guided protocols. Flooded Lead-Acid batteries execute a controlled equalization phase periodically.
What are the advantages of using pure sine wave inverters like the Mass Combi or AC Master for onboard AC power?
Pure sine wave inverters generate reliable electrical power indistinguishable from shore utility, allowing sensitive electronics and appliance motors to run smoothly without risk of damage. Mastervolt offers these power conversion products specifically for the boater and RV owner who demands clean electricity for every accessory. Their advanced electrical products apply a sophisticated 3-step charging algorithm to optimize power storage health, ensuring your system performs reliably for years.
How do DC-DC converters help convert and stabilize voltage in 12 V and 24 V marine systems?
DC-DC converters act as a precise regulator, ensuring stable voltage for sensitive devices despite input fluctuations from the alternator or battery technologies. Their role is essential for protecting accessory electronics, enabling system integration between different voltage banks, and efficient power conversion in marine and mobile applications. These power conversion products are designed to interface seamlessly with NMEA 2000 networks for system monitoring. The Slimline MVG series exemplifies how these compact units deliver multiple kw of stable power through robust cable connections.
What role do battery isolators and proper battery terminals play in a safe Mastervolt installation?
A proper shunt and robust terminals ensure accurate monitoring and secure connections, fundamental for battery management and system lifespan. This isolation and monitoring are central to integrating advanced lithium-ion batteries and power conversion systems safely into a Masterbus network. These batteries and power conversion products form the core of any dependable off-grid or mobile vehicle energy system.
How does automatic switching between AC power sources (120 V and 240 V) work with Mastervolt combis?
The combi unit continuously monitors the incoming socket, automatically and seamlessly selecting the correct source to maintain an uninterrupted power supply. This provides hassle-free connection at any dock, protection for the vessel's internal wiring, and consistent reliable power for all loads. This smart switching is a core feature of Mastervolt systems, designed for global use in RV's and vessels. These integrated products are designed to provide total energy autonomy for the user, whether at sea or on the road.