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 Multigroove Pulley Alpha (48420140) is an 8-rib pulley designed to ensure high-torque, low-slip belt drive performance in alternator systems. With a 56 mm outer diameter and 38.9 mm width, it provides stable belt tracking and extended durability in demanding environments. Compatible with multigroove Alpha alternators, it is ideal for high-output marine, mobile, and off-grid applications.
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1-2 weeks delivery time The Mastervolt Multigroove Pulley Alpha (48420150) is an 8-rib, heavy-duty pulley designed for secure, slip-free performance in high-torque alternator setups. With a compact 50 mm outer diameter and an extended 49.3 mm width, it offers enhanced belt engagement, making it ideal for marine and mobile power systems using Alpha alternators. Built for durability and smooth torque transfer in demanding conditions.
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1-2 weeks delivery time The Mastervolt Multigroove Pulley Alpha (48420160) is a robust 8-rib pulley designed for high-load alternator drive systems. With an outer diameter of 66.1 mm and a width of 34.6 mm, it provides enhanced belt wrap and torque transfer. Ideal for use with multigroove Alpha alternators in demanding marine or mobile applications, this pulley ensures reliable operation under thermal and mechanical stress.
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1-2 weeks delivery time The Mastervolt Multigroove Pulley Alpha (48420170) is an 8-rib pulley engineered for compact, high-efficiency alternator belt drive systems. With an outer diameter of 48.1 mm and a width of 39.4 mm, it supports stable belt engagement and smooth torque transfer. Designed for compatibility with Alpha series alternators using multigroove pulleys, it ensures long-term reliability in marine and mobile applications.
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1-2 weeks delivery time The Mastervolt Multigroove Pulley Alpha (48420180) features a dual 8-rib design with a 66.1 mm outer diameter and 68.7 mm width, built for high-output alternator systems using parallel belt drives. This heavy-duty pulley ensures superior belt grip, maximum torque distribution, and extended service life under continuous or fluctuating engine loads. Compatible with Alpha series alternators in demanding marine or mobile environments.
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1-2 weeks delivery time The Mastervolt 48420200 Oil Pressure Switch is a precision-engineered, fully isolated switch featuring an M10×1 thread, designed for reliable oil pressure monitoring in 12 V–24 V systems. With fast response time (<200 ms), IP67-rated protection, and corrosion-resistant housing, it is ideal for marine engines, off-grid generators, and mobile equipment. Compatible with Alpha series alternators and ensures secure, interference-free signal for engine safety.
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1-2 weeks delivery time The Mastervolt Alpha Compact B+ Adapter (48420220) is a precision-crafted accessory for Alpha Compact alternators, designed to securely connect an M10 cable eye to the B+ stud. It ensures a reliable, low-resistance electrical connection in demanding 12 V–24 V installations. Compatible with all Alpha Compact alternator models, it simplifies cable routing in tight engine compartments and supports high-current charging systems.
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1-2 weeks delivery time The Mastervolt 48420240 isolating kit is specifically designed for Alpha Compact alternators used with Volvo Penta engines. These alternators have their negative pole internally connected to the housing, which may cause grounding issues in isolated power systems. This 6-piece kit provides full electrical isolation by including two M8 and four M10 isolating bushings, allowing safe and isolated operation of the alternator. Compact, durable and essential for isolated installations, especially in marine and hybrid power systems.
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1-2 weeks delivery time The Mastervolt 48420241 isolating kit is specifically designed for Alpha Compact 14/120 and 14/200 alternators used in Mercedes-Benz engine installations. It enables galvanic isolation of the alternator’s negative pole from the housing, a necessary upgrade in systems requiring isolated ground operation. The kit includes two M8 and four M10 isolating bushings and is not compatible with the N62 engine model.
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1-2 weeks delivery time The Mastervolt 48420242 kit provides six precision-machined isolating bushings (2×M8 and 4×M10) engineered to enable full galvanic isolation of the negative pole in Alpha Compact 28/150 and 28/110 alternators. Ideal for systems requiring isolated ground configurations—marine, mobile or industrial—this kit facilitates safe installation without modifying engine housings. Compact and durable, it helps prevent electrical noise and corrosion while preserving alternator integrity and OEM reliability.
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1-2 weeks delivery time The Mastervolt Alpha 12/90 (48612090) is a high-performance 12V alternator delivering 90A charging current and featuring isolated negative operation. Designed for fast, efficient charging even at low engine rpm, it’s ideal for marine, mobile, and off-grid applications. Included is the Alpha Pro III charge regulator, ensuring intelligent 3-stage charging for longer battery life. Supports flexible mounting, forced cooling, and connection to multiple battery banks via Battery Mate or isolators. Weight: 5.5 kg. Pulley diameter: 73 mm.
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1-2 weeks delivery time The Mastervolt Alpha 24/150 (48624150) is a high-output 24V alternator delivering up to 150A charging current, ideal for powering multiple battery banks and onboard systems in marine and off-grid installations. Equipped with isolated ground and included Alpha Pro III charge regulator, this unit enables rapid, efficient charging even at low engine RPM. The alternator features a large 89 mm pulley, 2×A belt configuration, and multiple mounting options. Weight: 13.1 kg.
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1-2 weeks delivery time The Mastervolt 55010900 Transfer System offers seamless automatic switching between power sources up to 9 kW, adapting 120 V or 230 V AC grid input to the onboard AC system. Designed for use with IVET transformers, this unit enables safe, reliable connection to both European and American shore power grids. Its built-in Soft Start functionality prevents inrush current surges, safeguarding upstream breakers and fuses. Compact and robust, it supports 80 A at 120 V and 40 A at 230 V. Dimensions: 400×300×210 mm. Weight: 12.5 kg.
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1-2 weeks delivery time The Mastervolt 55011300 Transfer System is a high-capacity 13 kW automatic switch designed for seamless transition between shore power sources and onboard AC systems. Supporting both 120 V and 230 V inputs, it’s perfect for globally traveling vessels. When paired with an IVET transformer, it ensures that a 230 V/50 Hz onboard system functions reliably with foreign AC supplies. The built-in Soft Start feature protects against inrush current spikes. Supports up to 130 A at 120 V or 70 A at 230 V. Weight: 13 kg. Dimensions: 400×300×210 mm.
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1-2 weeks delivery time The Mastervolt 6369230060 plug is designed to provide field-installable, IP65-rated waterproof protection for MasterBus communication ports on MLI Ultra lithium-ion batteries. Compatible with harsh marine, industrial, or off-grid environments, it safeguards against water ingress, dust, and moisture. Supplied with the plug and connector; MasterBus cable must be sourced separately.
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1-2 weeks delivery time The Mastervolt DPN VIGI (6385401610) is a compact circuit breaker with integrated RCD: 16 A B‑curve protection and 30 mA earth-leakage sensitivity, in a 1‑pole + neutral configuration. Designed for DC/AC distribution panels in marine or mobile environments, it ensures both overcurrent protection and ground-fault safety.
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1-2 weeks delivery time The Mastervolt MLS 12/260 (65010020) is a 12 V, 20 Ah Lithium Iron Phosphate (LiFePO₄) battery designed for compact energy systems requiring reduced weight, fast charging, and long cycle life. Ideal as a drop-in lead-acid replacement, this IP65-rated battery includes an integrated BMS, safety disconnect, and supports unlimited parallel connections. Weighing just 3.1 kg and measuring 180×77×161 mm, it’s perfect for mobile and backup power applications.
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1-2 weeks delivery time The Mastervolt MLS 12/390 (65010030) is a compact 12 V, 30 Ah Lithium Iron Phosphate (LiFePO₄) battery designed for applications where space, weight, and service life are critical. With an energy capacity of 384 Wh and fast charging up to 30 A, it’s a direct drop-in replacement for lead-acid batteries. Featuring IP65 protection and integrated electronic safety disconnect, this battery is ideal for mobile, marine, and industrial backup power systems.
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1-2 weeks delivery time The Mastervolt MLS 24/260 (65020010) is a compact 24 V, 10 Ah LiFePO₄ battery ideal for applications where space, weight, and long life are priorities. Offering 256 Wh of energy in a waterproof IP65 housing, it includes an integrated Battery Management System (BMS) and automatic safety disconnect. With up to 2000 cycles at 80% DoD, it’s a powerful and safe alternative to traditional lead-acid batteries, supporting unlimited parallel configurations.
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1-2 weeks delivery time The Mastervolt 6502200600 parallel cable kit provides all network cabling necessary to link two identical CombiMaster inverters (3500, 4500, or 5000 W) in a parallel setup. Ideal for redundancy or increased AC output, this kit enables synchronized operation in 120 VAC systems. Note: AC and DC power cables must be sourced separately
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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.