Mastervolt specializes in advanced electrical solutions for marine and mobile applications. Their products include inverters that convert DC to AC power, chargers for maintaining battery health, and various battery types like AGM and lithium-ion, designed to suit different energy needs. Mastervolt's ChargeMaster series offers efficient charging, and their Combi units combine inverters and chargers for versatile energy management. These components are integral to boats and mobile systems, ensuring a reliable power supply and optimal performance in various conditions.
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1-2 weeks delivery time The Mastervolt MasterBus Repeater (Part No. 77031100) is a signal regeneration module that doubles the maximum allowable cable length of a MasterBus network. Essential for large or distributed installations, the repeater restores signal integrity and provides additional power for extended branches in boats, RVs, or off-grid systems. Powered via MasterBus, it installs easily with included cable and terminator, ensuring stable communication across longer or segmented MasterBus systems. Its compact housing and plug-and-play design make it a key infrastructure component for any advanced power network.
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€ 489,75
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1-2 weeks delivery time The Mastervolt AC Power Analyser (Part No. 77031200) is a compact, high-precision measuring device designed to capture and display detailed AC electrical data—voltage, current, frequency, power (W), and power factor (Cos φ). With full MasterBus integration, it enables remote monitoring of generators, shore connections, and isolation transformers, and can also function as a MasterBus interface for the Mass Sine inverter series. Supplied with a 100:5 current transformer, the analyser also features a free programmable potential-free relay contact, offering advanced automation and protection functionality. Its IP65 rating and included installation accessories make it suitable for harsh marine or industrial environments.
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€ 662,26
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1-2 weeks delivery time The Mastervolt MasterBus NMEA2000 Interface (Part No. 77031800) serves as a bidirectional gateway between Mastervolt’s proprietary MasterBus system and the marine-standard NMEA 2000 network. It enables seamless exchange of monitoring data and system status, allowing Mastervolt devices to be visualized on NMEA 2000 displays and NMEA devices to report to MasterBus-based monitoring systems. Designed for integration into marine and mobile platforms where cross-protocol communication is essential, the module is compact, easy to install, and delivered with both NMEA and MasterBus connection cables.
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€ 639,96
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1-2 weeks delivery time The Mastervolt MasterBus Philippi Interface (Part No. 77031850) bridges Mastervolt’s MasterBus protocol with Philippi’s PBUS, enabling seamless integration between two leading marine and mobile power ecosystems. It allows Philippi PSM2 displays to monitor and control up to six Mastervolt devices, including battery chargers, inverter/chargers, lithium batteries, and battery monitors. With plug-and-play simplicity, automatic or manual configuration, and support for the most critical data points such as State of Charge, voltage, and current, the interface consolidates both networks into one cohesive control and monitoring platform—ideal for new builds, retrofits, or system upgrades.
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€ 452,31
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1-2 weeks delivery time The Mastervolt MasterBus Terminator (Part No. 77040000) is a critical component for ensuring reliable and interference-free communication within MasterBus networks. By eliminating signal reflection and maintaining proper impedance at the network ends, this terminator guarantees data integrity and high communication speed across all connected Mastervolt devices. Two terminators are required per MasterBus system—one at each end of the bus—to ensure optimal performance, especially in larger or more complex installations.
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€ 5,20
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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.
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€ 11,15
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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.
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€ 12,83
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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.
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€ 16,41
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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.
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€ 18,16
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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.
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€ 20,13
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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.
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€ 233,80
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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.
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€ 98,18
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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.
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€ 140,25
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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.
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€ 322,58
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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.
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€ 311,36
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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.
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€ 231,41
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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.
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€ 178,68
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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.
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€ 313,60
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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.
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€ 373,35
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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.
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€ 296,35
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What are the key features of Mastervolt inverters, and how are they adapted for use in marine environments?
Mastervolt inverters are renowned for their efficiency, reliability, and compatibility with various power sources like mastervolt lithium or AGM batteries. Key features include advanced sine wave technology for smooth power conversion, integration with Mastervolt ChargeMaster systems for optimized charging, and robust construction to withstand the harsh marine environments. Their design caters specifically to maritime needs, incorporating corrosion-resistant components and cooling mechanisms, making them a preferred choice for both recreational and professional vessels.
For a reliable power solution, consider a Mastervolt Inverter to enhance your onboard electrical system.
How does the Mastervolt ChargeMaster series contribute to the efficiency of battery charging systems on boats and mobile platforms?
The Mastervolt ChargeMaster series is specially designed to enhance the efficiency of battery charging systems on boats and mobile platforms. Utilizing advanced technology, the ChargeMaster integrates seamlessly with various battery types such as mastervolt lithium and AGM, providing precise charging and extending battery life. Its multi-stage charging process ensures optimum charging performance, while compatibility with mastervolt inverters and alternators allows for a flexible and cohesive energy management system. These features contribute to a reliable and energy-efficient charging solution tailored for the demanding marine environment.
In what ways do Mastervolt lithium and AGM batteries differ, and what are the specific applications for each type within the maritime industry?
Mastervolt lithium and AGM batteries differ primarily in their technology and applications within the maritime industry. Mastervolt lithium batteries are known for their lightweight, high energy density, and fast charging capabilities, making them suitable for applications that demand a rapid energy supply and longer cycle life, such as in high-performance yachts or electric propulsion systems. On the other hand, Mastervolt AGM (Absorbent Glass Mat) batteries offer robust construction and maintenance-free operation, generally used in applications requiring deep-cycle and reliable energy storage, like auxiliary power systems or navigation equipment. These differences allow for flexibility in matching the specific battery technology to the unique needs of various marine environments and vessels.
For advanced energy solutions tailored to marine applications, explore our Mastervolt Battery, designed for reliable power storage and optimal performance.