Mastervolt batteries, including AGM and gel types, are high-quality marine batteries designed for use on boats and yachts. They provide reliable power storage for various onboard systems, including navigation, lighting, communication, and more.
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1-2 weeks delivery time The Mastervolt 12V AGM Battery offers a versatile solution combining starter and service functions in a single unit. Designed for marine and mobile applications, these semi-traction batteries deliver high current pulses for starting engines and reliable power for thrusters, winches, and other onboard equipment. Available in capacities from 55Ah to 270Ah.
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€ 203
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1-2 weeks delivery time The Mastervolt 12V AGM Slimline Battery is a maintenance-free power solution with a slim design, perfect for systems requiring high current output. Ideal as a starter battery, it supports installation in any position without the need for ventilation, offering versatility and reliability for marine and mobile applications.
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€ 531,38
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1-2 weeks delivery time The Mastervolt 6V AGM Battery is a fully sealed, maintenance-free power solution ideal for deep-cycle applications. Compact and safe, it features special one-way valves to prevent pressure build-up, making it suitable for installation in any environment. Available in 260Ah and 400Ah capacities.
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€ 389,04
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1-2 weeks delivery time The Mastervolt 12V MVG Gel Battery offers enhanced durability, reliability, and long service life for marine and mobile power systems. With maintenance-free operation, these gel batteries are perfect for cyclic use and as service batteries, ensuring safe and efficient performance in 12V and 24V systems. Available in capacities from 55Ah to 200Ah.
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€ 316,68
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1-2 weeks delivery time The Mastervolt 2V MVSV Gel Battery is a high-performance power solution designed for intensive applications in large systems. With a life expectancy of up to 20 years and 1000 full cycles, this battery is ideal for systems requiring reliable, long-term energy storage, such as electric motors, winches, compressors, and more. Available in capacities from 500Ah to 2700Ah.
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€ 641,32
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1-2 weeks delivery time The Mastervolt Lithium Ion Battery offers advanced energy storage with a high energy density, reducing weight and size by up to 70% compared to traditional batteries. With a Battery Management System (BMS) for optimal performance and lifespans three times longer than lead-acid batteries, it is ideal for cyclic applications in marine environments.
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1-2 weeks delivery time The Mastervolt 61002600 AGM battery delivers 6 V and 260 Ah (C20) of sealed, maintenance-free power ideal for high-current systems. Its Absorbent Glass Mat (AGM) technology enables fast discharge rates for engine starting or large inverter loads, with no gas formation under normal use. Designed for flexible 12/24/48 V battery bank configurations, this 35.5 kg unit features dual A-type and M10 stud terminals and compact dimensions of 295 x 180 x 298 mm, making it suitable for tight installation environments.
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€ 396,01
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1-2 weeks delivery time The Mastervolt AGM 12V 55Ah battery (62000550) is a compact, maintenance-free energy solution designed for high current applications such as engine starting and power boosts in mobile systems. Using absorbent glass mat (AGM) technology, it delivers fast discharge performance, low internal resistance, and zero gas emission during normal operation. With dimensions of 257 x 132 x 200 mm and weighing just 17 kg, it's ideal for installations with limited space. The battery supports both M6 and A-type terminals for flexible integration and comes with a 2-year warranty.
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€ 206,64
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1-2 weeks delivery time The Mastervolt 12V 70Ah AGM Battery (62000700) delivers reliable starter performance and moderate cyclic capacity in a sealed, maintenance-free form. Designed with advanced Absorbent Glass Mat (AGM) technology, it provides fast discharge capability and low internal resistance, making it ideal for high-current applications like engine starting. With a compact footprint of 348 x 167 x 178 mm and weighing 21 kg, it supports M8/A-type terminals and allows installation in virtually any orientation. Rated at 290 A (DIN) and 460 A (SAE), this battery is perfect for replacing conventional flooded batteries.
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€ 253,55
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1-2 weeks delivery time The Mastervolt 12V 90Ah AGM Battery (62000900) is a robust, maintenance-free energy source designed for demanding starter and auxiliary applications. Delivering high discharge performance comparable to a 180Ah flooded lead-acid battery, it uses absorbent glass mat technology to ensure low internal resistance, no gas emissions, and safe installation in confined spaces. With dimensions of 330 x 173 x 220 mm and a weight of 28 kg, it features dual M8 and A-type terminals, 360 A (DIN) cold cranking, and a 2-year warranty.
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€ 309,34
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1-2 weeks delivery time The Mastervolt 12V 130Ah AGM Battery (62001300) delivers high current discharge and deep cycle capabilities in a rugged, maintenance-free sealed design. With low internal resistance and thick plate construction, it supports powerful cranking performance (530 A DIN / 840 A SAE) and a stable 130 Ah capacity at C20. Measuring 408 x 176 x 228 mm and weighing 37.6 kg, it features versatile M8/A-type terminals and is ideal for demanding starter or medium-duty cyclic applications in marine, RV, or off-grid power systems.
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€ 419,47
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1-2 weeks delivery time The Mastervolt 12V 160Ah AGM Battery (62001600) is a high-capacity, maintenance-free energy storage unit engineered for both starter and medium-cycle applications. With a sealed AGM construction and thick-plate design, it delivers powerful high-current discharge and long service life. Supporting installation in almost any position and featuring dual M8 and A-type terminals, this battery ensures reliable operation with zero gas emission under normal conditions. Ideal for marine, RV, and off-grid systems requiring dependable 12 V power and deep capacity.
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€ 493,86
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1-2 weeks delivery time The Mastervolt 12V 225Ah AGM Battery (62002250) delivers unmatched power capacity and high current discharge performance in a rugged, sealed construction. Ideal for large marine, RV, and off-grid systems, this maintenance-free battery features advanced glass-fibre technology, low internal resistance, and impressive cold cranking output (680 A DIN / 1080 A SAE). With a capacity of 225 Ah (C20), maximum charge current of 63 A, and dual M8/A-type terminals, it’s optimized for both starter and medium-deep cycle roles. Dimensions: 522 x 240 x 224 mm. Weight: 63.5 kg.
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€ 662,45
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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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€ 787,64
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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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€ 182,45
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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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€ 322,35
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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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€ 489,60
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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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€ 674,60
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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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€ 813,17
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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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€ 1.028,31
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What is the difference between Mastervolt lithium-ion batteries and traditional lead-acid batteries in terms of efficiency and lifespan?
Mastervolt lithium-ion batteries, particularly the MLI and MLI Ultra series, offer significant advantages over traditional lead-acid batteries in terms of efficiency and lifespan. The lithium-ion technology, specifically the lithium-iron phosphate (LiFePO4) chemistry, provides a higher energy density and faster charge and discharge rates, making these batteries more efficient and capable of maintaining optimal performance even in harsh conditions. Additionally, Mastervolt batteries come with an integrated Battery Management System (BMS) and safety relay, which enhance their lifespan by preventing overcharging and ensuring safe operation, features that are less common in traditional lead-acid batteries.
Mastervolt's lithium-ion technology is a cornerstone of their MLI series, which are considered a quality product from Mastervolt. The MLI series is designed as a drop-in replacement for traditional lead-acid batteries, offering seamless integration and superior performance. A relay is a mandatory part of the battery installation, ensuring additional safety and reliability. The use of lithium-ion technology makes these batteries an ideal choice for various marine applications, providing a significant benefit in terms of cost and safety.
How does the MLI Ultra series improve the efficiency of marine electrical systems?
The Mastervolt MLI Ultra series significantly improves the efficiency of marine electrical systems through its advanced lithium-ion technology, which offers higher energy density and faster charging capabilities compared to traditional AGM 12 V batteries. The integrated battery monitoring system ensures optimal voltage and performance, making these batteries a reliable 'drop-in replacement' for acid-based alternatives. With features like built-in safety measures and isolation covers, the MLI Ultra series is designed to perform safely and effectively even in the harshest marine environments, providing a quality product that aligns with Mastervolt’s reputation for excellence.
How does the BMS in Mastervolt lithium-ion batteries optimize charging cycles and prevent overcharging?
The BMS (Battery Management System) in Mastervolt lithium-ion batteries plays a crucial role in optimizing charging cycles and preventing overcharging. By utilizing advanced lithium-ion technology and integrated monitoring, the BMS ensures that each cell within the battery is charged and discharged correctly. This quality product from Mastervolt also includes additional safety features that monitor temperature and voltage levels, providing additional safety and ensuring the battery remains one of the safest choices in the market. With waterproof design and relay as a mandatory part of the installation, the BMS supports large capacity series batteries, making them a reliable ‘drop-in replacement’ for various marine applications.