Marine electrical products encompass a wide range of essential components for boats and marine vessels. These products include marine generators, batteries, battery switches, chargers, and solar panels designed for marine applications. They ensure reliable power sources, electrical control, and efficient energy management onboard, making them vital for boating safety and convenience. Additionally, fuses, switch control panels, and battery combiners are key elements in marine electrical systems, contributing to seamless operation and power distribution on boats.
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1-2 weeks delivery time The Mastervolt 12V 270Ah AGM Battery (62002700) delivers exceptional deep-cycle performance and high-starting current in the largest capacity format of the AGM series. Engineered with thick-plate, sealed glass-fibre technology, it ensures 270 Ah at C20, peak cranking power up to 1200 A (SAE), and zero gas emission under normal use. Featuring dual M8 and A-type terminals, it supports up to 76.5 A charging and measures 522 x 268 x 226 mm at 73 kg. Ideal for large marine vessels, off-grid systems, and industrial backup where high reliability and long service life are essential.
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$ 946,46
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1-2 weeks delivery time The Mastervolt MVG 12V 25Ah Gel Battery (64000250) is a compact, fully sealed service battery optimized for cyclic use in 12 V and 24 V systems. Featuring Gel technology for complete electrolyte immobilization, it enables safe, gas-free operation without ventilation and supports fast recharging with a high current input of up to 12.5 A. With dimensions of 167 x 176 x 126 mm and weighing only 9.6 kg, this battery is ideal for compact installations where reliability, low self-discharge, and longevity are essential.
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$ 219,24
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1-2 weeks delivery time The Mastervolt MVG 12V 55Ah Gel Battery (64000550) is a fully sealed, maintenance-free service battery designed for intensive cyclic use in 12 V and 24 V systems. With Gel electrolyte immobilization, it allows safe, gas-free operation in enclosed spaces and supports rapid charging at up to 27.5 A. Offering 55 Ah capacity and strong CCA ratings (230 A DIN / 380 A SAE), this battery fits compact installations (261 x 136 x 230 mm) and weighs 19 kg, making it ideal for marine, RV, and solar storage applications demanding high reliability and low self-discharge.
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$ 387,35
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1-2 weeks delivery time The Mastervolt MVG 12V 85Ah Gel Battery (64000850) is a high-endurance, maintenance-free service battery designed for intensive cyclic applications in 12 V and 24 V power systems. With a high charging acceptance of up to 42.5 A and a capacity of 85 Ah (C20), this sealed Gel battery offers excellent cold cranking power (270 A DIN / 450 A SAE), extremely low self-discharge, and no gas emission during standard operation. Compact at 330 x 171 x 236 mm and weighing 32.6 kg, it's ideal for marine, RV, and solar applications with high reliability demands.
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$ 588,32
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1-2 weeks delivery time The Mastervolt 64001200 - MVG Gel Battery 12V 120Ah is a high-performance, maintenance-free deep-cycle battery engineered for 12V and 24V systems. With a nominal capacity of 120Ah (C20) and fast-charging capability up to 60A, it’s optimized for intensive cyclic use in marine, mobile, and off-grid applications. Thanks to its sealed gel technology, it produces no gas under normal use and can be safely installed in unventilated or enclosed environments. Dimensions: 513 x 189 x 223 mm. Weight: 41 kg.
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$ 810,62
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1-2 weeks delivery time The Mastervolt 64001400 - MVG Gel Battery 12V 140Ah is a robust, maintenance-free deep-cycle battery for medium to large 12V and 24V energy systems. With a nominal capacity of 140Ah (C20) and a high charge acceptance of up to 70A, it supports fast recharging and intensive cyclic use. Its sealed gel design ensures no gas emissions during normal operation, making it safe for installation in enclosed or unventilated areas. Dimensions: 513 x 223 x 223 mm. Weight: 49 kg.
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$ 977,13
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1-2 weeks delivery time The Mastervolt 64002000 - MVG Gel Battery 12V 200Ah is a high-capacity, deep-cycle battery designed for 12V and 24V power systems in marine, mobile, and off-grid environments. Featuring sealed gel technology, it offers completely maintenance-free operation with no gas formation under normal conditions. With a nominal capacity of 200Ah (C20), support for charging currents up to 100A, and excellent cycle durability, it’s ideal for intensive service applications. Dimensions: 518 x 274 x 238 mm. Weight: 70 kg.
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$ 1.235,65
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1-2 weeks delivery time The Mastervolt 66011250 - MLI Ultra 12/1250 is a heavy-duty 12V lithium battery offering 1250 Wh of energy and a continuous discharge current of 200A. Engineered with LiFePO4 chemistry, it integrates a proprietary BMS, intelligent safety relay, thermal heat-pad for cold weather, and full MasterBus/CZone/NMEA2000 communication support. With a compact Group 31 footprint, IP65 waterproof housing, and a 3500-cycle life at 80% DoD, it’s ideal for high-demand marine and mobile systems. Dimensions: 330 x 173 x 210 mm. Weight: 15 kg.
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$ 2.387,50
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1-2 weeks delivery time The Mastervolt 66021250 - MLI Ultra Lithium Battery 24/1250 - 1.25 kWh is a heavy-duty Lithium-Ion powerhouse, delivering extreme performance even in the toughest conditions. Designed with advanced Lithium-Iron Phosphate (LiFePO4) cells and a proprietary Battery Management System (BMS) in a robust, waterproof housing, this battery ensures optimal use of each cell with integrated monitoring. Boasting features such as a self-learning balancing algorithm for efficient charging, freezing cold weather performance, and an integrated battery switch for safety, it offers unparalleled reliability. The plug-and-play Auto Configuration simplifies installation, making it a space-saving, weight-efficient, and high-performance solution for your power storage needs, backed by certifications to the highest safety standards.
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$ 2.387,50
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1-2 weeks delivery time The Mastervolt 68000280 - MVSV Gel Battery 2V 280Ah is a heavy-duty deep-cycle battery designed for industrial and large-scale power systems. With over 1000 full charge/discharge cycles and a nominal capacity of 280Ah at C10, it offers exceptional reliability for 12V or 24V configurations when connected in series. Suitable for both vertical and horizontal installation, this battery supports charging currents up to 140A. Dimensions: 126 x 208 x 399 mm. Weight: 23 kg.
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$ 526,59
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1-2 weeks delivery time The Mastervolt 68000420 - MVSV Gel Battery 2V 420Ah is a professional-grade traction battery optimized for high-cycle performance in large-scale 12V or 24V systems. With 420Ah capacity at C10 and support for 210A charge current, it’s built for intensive discharge use and long operational lifespan. Suitable for both vertical and horizontal installation, it comes with interconnect cables (length to be specified when ordering). Dimensions: 126 x 208 x 515 mm. Weight: 30 kg.
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$ 636,02
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1-2 weeks delivery time The Mastervolt 68000500 - MVSV Gel Battery 2V 500Ah is a high-capacity deep-cycle battery engineered for heavy-duty power storage in large-scale 12V and 24V systems. Offering 500Ah at C10 and a max charge current of 250A, it’s designed for intensive cyclic applications with over 1000 full discharge cycles. Sealed gel technology allows for maintenance-free, horizontal or vertical installation. Dimensions: 147 x 208 x 515 mm. Weight: 35 kg.
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$ 784,44
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1-2 weeks delivery time The Mastervolt 68000580 - MVSV Gel Battery 2V 580Ah is a high-capacity industrial gel battery engineered for deep-cycling applications in large 12V or 24V systems. Rated at 580Ah (C10) and capable of accepting charge currents up to 290A, it provides robust performance and a service life of over 1000 full cycles. It supports both horizontal and vertical installation and includes interconnect cables specified per order. Dimensions: 168 x 208 x 515 mm. Weight: 39 kg.
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$ 848,43
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1-2 weeks delivery time The Mastervolt 68000750 - MVSV Gel Battery 2V 750Ah is a high-capacity, deep-cycle traction battery built for large-scale 12V and 24V systems requiring long service life and intensive use. It delivers 750Ah at C10 and supports charging currents up to 375A. Featuring sealed gel technology, maintenance-free operation, and flexible installation (vertical or horizontal), it ensures over 1000 full cycles. Dimensions: 147 x 208 x 690 mm. Weight: 49 kg.
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$ 1.040,95
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1-2 weeks delivery time The Mastervolt 66013000 - MLI Ultra 12/3000 is a professional-grade 13.2V lithium battery delivering 3 kWh of energy at 230Ah capacity. Featuring LiFePO4 chemistry and a fully integrated Battery Management System (BMS), it offers over 3500 cycles at 80% DoD, a peak discharge of 1800A (10s), and communication via MasterBus, NMEA 2000, and CZone. Designed for rugged environments with IP65 electronics protection and self-learning cell balancing, it’s ideal for high-performance marine, mobile, or off-grid applications. Dimensions: 341 x 197 x 355 mm. Weight: 25.4 kg.
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$ 3.923,13
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1-2 weeks delivery time The Mastervolt 66016000 - MLI Ultra 12/6000 is a top-tier 12V lithium battery delivering 6 kWh of energy and 460Ah capacity, engineered for heavy-duty marine, off-grid, and mobile applications. Built with LiFePO4 chemistry and protected to IP65 standards, it features a high-performance BMS, 1800A peak discharge (10 sec), and communication via MasterBus, NMEA 2000, and CZone. It supports 3500+ cycles at 80% DoD and fast charging up to 460A. Dimensions: 622 x 197 x 355 mm. Weight: 46.7 kg.
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$ 7.785,15
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1-2 weeks delivery time The Mastervolt 66026000 - MLI Ultra 24/6000 is a high-performance 24V lithium-ion battery delivering 6 kWh of energy and 230Ah capacity. Designed for extreme-duty applications, it features LiFePO4 chemistry, integrated battery monitoring, and communication via MasterBus, NMEA 2000, and CZone. With a peak discharge of 1800A (10 sec), IP65 electronics protection, and over 3500 cycles at 80% DoD, it provides unmatched efficiency, safety, and integration capabilities for marine, RV, and industrial systems. Dimensions: 622 x 197 x 355 mm. Weight: 46.7 kg.
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$ 8.270,30
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1-2 weeks delivery time The Mastervolt 38343500 - Mass Combi Ultra 48/3500-50 is a professional-grade 48V inverter/charger delivering 3500W continuous power and 50A charging capacity. Designed for parallel and 3-phase setups up to 35 kW, it features seamless AC transfer, low standby power, and Power Assist to prevent overloads. The unit includes dual AC inputs/outputs, smart fan control, and full MasterBus compatibility for system integration. Dimensions: 472 x 318 x 178 mm. Weight: 15.3 kg.
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1-2 weeks delivery time The Mastervolt 28013500 - AC Master 12/3500 is a robust true sine wave inverter delivering 3500W continuous AC power from a 12V battery bank. Featuring both Schuko and hardwired AC outputs, it provides high-efficiency, low-noise conversion for recreational or semi-professional use. Suitable for parallel and 3-phase configurations, this inverter includes an integrated transfer switch and supports demanding peak loads up to 6000W. Dimensions: 283 x 496 x 128 mm. Weight: 10 kg.
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1-2 weeks delivery time The Mastervolt 28020700 - AC Master 24/700 is a compact and efficient true sine wave inverter delivering 700W of continuous 230V AC power from a 24V DC battery source. Ideal for recreational and light professional use, it ensures high-quality power for sensitive electronics via its Schuko plug connection. With 93% efficiency, ultra-low no-load power draw, and full isolation, it's built for safe, quiet, and reliable off-grid operation. Dimensions: 200 x 330 x 83 mm. Weight: 2.7 kg.
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Our managers will contact you and clarify the terms of the order
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What types of marine electrical supplies are essential for maintaining a boat's electrical system?
Essential marine electrical supplies for maintaining a boat's electrical system include a large selection of Marine Wiring, battery terminals, and connectors to ensure proper connections and replacements as needed. A marine electrician may guide you in choosing the right wire selection and other components, making it handy to know the specific needs of your boat. Regularly replacing worn battery terminals and ensuring all connections are secure will help prevent issues and keep the electrical system functioning optimally.
Additionally, with a switch with alternator field disconnect, you can receive everything needed to protect your electrical system, whether you are using a single battery or managing a larger setup. These on-off battery switches are designed for easy integration into your boat's electrical system, and classic models like those listed on the business page offer a large selection to fit various needs. They can handle problems associated with heavy loads and are built to carry the demand generally required for marine applications, providing excellent customer service and reliability. Whether you need a simple switch or a more complex setup for parallel battery management, there are options available to ensure seamless power management on your boat.
What are the common repair needs for marine electrical systems?
Common repair needs for marine electrical systems often involve replacing corroded or worn-out wiring, blown fuses, and faulty connections. Ensuring a reliable boat electrical system requires a selection of marine electrical supplies, such as replacement terminals and connectors. It's crucial to carry out these repairs promptly to maintain the safety and functionality of your boat.
For advanced integration and diagnostic tools, explore solutions from Actisense.
What are the key features to look for in marine electrical shop light?
When choosing a marine electrical shop light, key features to look for include durability and water resistance to withstand harsh marine environments, energy efficiency to help conserve onboard power, and brightness levels sufficient for performing detailed maintenance or repair work. Long-lasting LED technology is also essential for minimizing energy consumption and ensuring consistent performance.
For enhanced versatility, look for lights with adjustable mounting options, which allow for flexible positioning in tight or awkward spaces. Integrating such lighting solutions into a well-managed electrical system—like one supported by a Blue Sea Add a Battery kit—ensures reliable power delivery and safe operation of all onboard components.