BI 1203-S Isolator Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24V consumers. These batteries require independent charging with reliabl... More Details

Bosch Adapter Cable Connection cable for any other brand of alternator that has a standard Bosch connector. Product Specifications Dimensions7" L × 5" W × 1" HShipping Weight0.05 lb More Details

Charge Mate 1202 A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being unable to start, this seems like a safe and reliable sol... More Details

Charge Mate 2502 A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being unable to start, this seems like a safe and reliable sol... More Details

Charge Mate Pro 40 - Electronics Charge Relay Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery on board requires a dedicated charging sol... More Details

Charge Mate Pro 90 Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery onboard requires a dedicated charging solution. The Charge Mate Pro m... More Details

Charge Mate Pro Lithium 40 Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery on board requires a dedicated charging solution. The Charge M... More Details

Charge Mate Pro Lithium 90 Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery on board requires a dedicated charging solution. The Charge M... More Details

ChargeMaster Battery Charger - 12 Amp - 3 Bank - 24V Power You Can Rely On Make the most of your batteries with the ChargeMaster, plugging in and charging anywhere in the world. Mastervolt’s ChargeMas... More Details

ChargeMaster 25 Amp Battery Charger - 3 Bank, 12V Power you can rely on. Always on course with Mastervolt... Mastervolt ensures you an electrical system with no weak links and a dependable and silent ... More Details

ChargeMaster Plus - 24V - 110 Amp - 2 Bank All-in-one solution for faster and safer charging ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one si... More Details

ChargeMaster Plus - 24V - 80 Amp - 2 Bank ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one single device. Replacing auxiliary chargers, ChargeMa... More Details

ChargeMaster Plus 12/100-3 CZone/MBus ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one single device. Replacing auxiliary chargers, battery isol... More Details

ChargeMaster Plus 12/35-3 Battery Charger Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and co... More Details

ChargeMaster Plus 12/50-3 Battery Charger Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and co... More Details

ChargeMaster Plus 12/75-3 CZone - 3-Bank ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one single device. Replacing auxiliary chargers, battery i... More Details

ChargeMaster Plus 24/20-3 Battery Charger Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and co... More Details

ChargeMaster Plus 24/40 CZone/MBus ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one single device. Replacing auxiliary chargers, battery isolato... More Details

ChargeMaster Plus 24V, 30A, 3-Bank Charger All-in-one solution for faster and safer charging The ChargeMaster Plus family is a complete range of battery chargers that provide both efficient and reliab... More Details

ChargeMaster Plus 24V, 60A, 3-Bank, NMEA2000 - CZone ChargeMaster Plus 24/60-3 CZone All-in-one solution for faster and safer charging ChargeMaster Plus is the next generation of battery chargers that... More Details

CombiMaster 12V - 2000W - 60 Amp (230V) Designed with the customer in mind and using the latest technology, the CombiMaster range is all about user-friendliness and reliability. But don’t let that fri... More Details

CombiMaster 12V - 3000W - 100 Amp (230V) Designed with the customer in mind and using the latest technology, the CombiMaster range is all about user-friendliness and reliability. But don’t let that fr... More Details

CombiMaster 24V - 2000W - 40 Amp (230V) Designed with the customer in mind and using the latest technology, the CombiMaster range is all about user-friendliness and reliability. But don’t let that fri... More Details

CombiMaster 24V - 3000W - 60 Amp (230V) Designed with the customer in mind and using the latest technology, the CombiMaster range is all about user-friendliness and reliability. But don’t let that fri... More Details

CombiMaster Inverter/Charger - 12/1500-60 Amp - 120V The CombiMaster inverter/charger provides the most power and charging in the series. The 3500W version comes in 12V and can be paralleled stacked i... More Details

CombiMaster Inverter/Charger - 12/3500-200 Amp - 120V The CombiMaster inverter/charger provides the most power and charging in the series. The 3500W version comes in 12V and can be paralleled stacked ... More Details

CombiMaster Inverter/Charger - 24/3500-100 Amp - 120V The CombiMaster inverter/charger provides the most power and charging in the series. The 3500W version comes in 12V and can be paralleled stacked ... More Details

CZone Drop Cable - 0.5M Adapter cable for connecting Mastervolt devices with CZone support to the CZone or NMEA 2000 network. WARNING: This product can expose you to chemicals which are known to the S... More Details

CZone Drop Cable - 1M Adapter cable for connecting Mastervolt devices with CZone support to the CZone or NMEA 2000 network.  WARNING: This product can expose you to chemicals which are known to the St... More Details

CZone Drop Cable - 2M Adapter cable for connecting Mastervolt devices with CZone support to the CZone or NMEA 2000 network.  WARNING: This product can expose you to chemicals which are known to the St... More Details

CZone Drop Cable - 5M Adapter cable for connecting Mastervolt devices with CZone support to the CZone or NMEA 2000 network.  WARNING: This product can expose you to chemicals which are known to the St... More Details

DC Master 12V to 12V Converter - 3A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

DC Master 12V to 12V Converter - 6A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

DC Master 12V to 24V Converter - 3A Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For custom DC curre... More Details

DC Master 12V to 24V Converter - 7A Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For custom DC curre... More Details

DC Master 24V to 12V Converter - 12 Amp Always on course with Mastervolt. Mastervolt ensures you an electrical system with no weak links and a dependable and silent power supply. Whether for recreatio... More Details

DC Master 24V to 12V Converter - 12A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cus... More Details

DC Master 24V to 12V Converter - 24 Amp Always on course with Mastervolt. Mastervolt ensures you an electrical system with no weak links and a dependable and silent power supply. Whether for recreatio... More Details

DC Master 24V to 12V Converter - 24A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cus... More Details

DC Master 24V to 12V Converter - 3 AMP Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For custom DC cu... More Details

DC Master 24V to 12V Converter - 3A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

DC Master 24V to 12V Converter - 6 Amp Always on course with Mastervolt. Mastervolt ensures you an electrical system with no weak links and a dependable and silent power supply. Whether for recreation... More Details

DC Master 24V to 12V Converter - 6A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

DC Master 24V to 24V Converter - 3A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

DC Master 24V to 24V Converter - 7A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For cust... More Details

EasyView 5 Waterproof system monitor with daylight display and intuitive touch control. Controlling your Mastervolt system has never been easier. The EasyView 5 features a sharp, waterproof display wh... More Details

Mac Plus 12/12-50 + CZone Boost the Service Battery Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result ... More Details

Mac Plus 12/24-30 + CZone Boost the Service Battery Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result ... More Details

Mac Plus 12/48-15 Boost Your Service Battery Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result in slow... More Details

Mac Plus 24/12-50 + CZone Boost the Service Battery Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result ... More Details

Mac Plus 24/24-30 + CZone Boost the Service Battery Too often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result ... More Details

Magic 12/12-20 DC Converter For The Toughest Tasks The Mac and Magic DC-DC converters are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under... More Details

Magic 12/24-10 DC Converter For The Toughest Tasks The Mac and Magic DC-DC converters are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under... More Details

Magic 24/12-20 Converter The Magic models can regulate the voltage both up and down to ensure an optimal voltage stabilisation, even when the battery voltage fluctuates due to heavy loads. The galvani... More Details

Magic 24/24-20 DC Converter The Magic models can regulate the voltage both up and down to ensure optimal voltage stabilization, even when the battery voltage fluctuates due to heavy loads. The galvani... More Details

Mass 24/100 230V/50-60hz Mass battery chargers are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under the most extreme conditions the produc... More Details

Mass 24/15-2 Mass battery chargers are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under the most extreme conditions the products from the ... More Details

Mass 24/25-2 25 AMP 24V Battery Charger The right choice for demanding conditions Mass battery chargers are designed for the toughest conditions for professional, semi-professional, and recreational p... More Details

Mass 24/50-2 Mass battery chargers are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under the most extreme conditions the products from the ... More Details

Mass 48/25 Battery Charger Mass battery chargers are designed for the toughest conditions for professional, semi-professional, and recreational purposes. Even under the most extreme conditions, the pr... More Details

MasterBus Cable - 0.2M  Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two po... More Details

MasterBus Cable - 0.5M  Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two po... More Details

MasterBus Cable - 1M  Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two port... More Details

MasterBus Cable - 3M  Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two port... More Details

MasterBus Cable - 6M Suitable for data traffic and powering peripheral equipment in harsh environments, this is the only cable you need for your MasterBus network. MasterBus compatible products come s... More Details

MasterBus Terminator Terminators ensure interference-free operation of the MasterBus network, prevent reflection of data signals, and ensure high communication speeds. Product Specifications Dimension... More Details

MasterBus USB Interface The MasterBus USB Interface enables you to read and configure the MasterBus network via your PC. General specifications MasterBus powering: yes (when the PC is switched on) Dim... More Details

MasterShunt 500 CZone MasterShunt is the heart of every battery powered energy system. This integrated battery monitor shares information about the battery bank with other MasterBus, CZone or NMEA 200... More Details

Masterswitch 7kW - 120V Features: Two AC inputs, for example grid power and generator One outlet to AC power group Automatic switching Power transfer up to 25 kW, input/output from 20 to 125 A The Mas... More Details

PowerCombi MasterBus Interface By adding the PowerCombi MasterBus Interface to your installation, you can control the PowerCombi via the MasterBus communication network. A RJ45 communication cable is ... More Details

PowerCombi Pure Sine Wave Inverter/Charger - 1200W - 12V - 50A Kit Simple. Independent. Flexible. The PowerCombi is a pure sine wave inverter/charger offering grid quality AC power and battery chargin... More Details

PowerCombi Pure Sine Wave Inverter/Charger - 12V - 2000W - 100 Amp Kit Simple. Independent. Flexible. The PowerCombi is a pure sine wave inverter/charger offering grid quality AC power and battery cha... More Details

PowerCombi Remote Control Panel Control and monitor your PowerCombi inverter/charger via this easy to use remote monitor. The LCD display is used for setting up the inverter/charger operation, as well... More Details

Remote Switch Inverter Control Panel (ICP) On/off control for the AC Master sine wave inverter with a clear on/off indicator which indicates when the inverter is active. In addition, the ICP makes it ... More Details

RJ12 Communication/Sync Cable - 6M/19' Features: High-quality communication cable fitted with RJ12 type modular plugs Suitable for connecting a remote control panel to a battery charger, inverter, or ... More Details

SCM25 MPPT Solar ChargeMaster The SCM25 MPPT is Mastervolt's smallest MPPT charge regulator and just as powerful as its big brother. With 200 to 700 Wp in solar panels, switchable output and buzzer, t... More Details

SCM40 PWM Features: High efficiency: your batteries are charged quickly Capacity for solar panel configurations of up to 3600 Wp Suitable for AGM, gel, wet and Mastervolt Lithium Ion batteries Fast an... More Details

SCM60 MPPT-MB Controller The SCM60 MPPT-MB is Mastervolt’s largest MPPT solar charge regulator. With 600 to 3600 Wp in solar panels, connections for 12, 24 and 48-volt battery banks and an integrated ... More Details

SmartRemote Checking your Mastervolt product has never been easier The SmartRemote completes any MasterBus or CZone* system. With its good looks and compact size, the SmartRemote is ideal as a remote ... More Details

Solar ChargeMaster SCM20 PWM This solar charge regulator based on PWM technology is a great solution to charge your batteries with solar energy. Suitable for both 36 cells panels (in 12V systems) and ... More Details

Temperature Sensor for PowerCombi Mastervolt Temp Sensor specifically for PowerCombi. WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the... More Details

135Amp 12/24V Windlass Isolator Maxwell circuit breaker/isolator panel, 135 Amp 12/24-volt, suitable for all 800 to 3500 Series 12V & 4000 24V windlasses. Features: For protection of the main conducto... More Details

Circuit Breaker Isolator Panel - 80 AMP Suitable for a wide range of windlasses and capstans. Features: For protection of the main conductor circuit for DC winches Mount as close as possible to the ba... More Details

BatteryGuard™ Prolong the lifeof your battery. Maximize your battery's performace. Excessive shock and vibration are two of the leading causes for battery failure. Megaware BatteryGuard™ sits under yo... More Details

2-Way Waterproof Connector Features: Pair of wire connectors with one (1) Male and one (1) Female connector ends each 18-gauge wire Waterproof *Sold as a Pair Product Specifications Dimensions8" L × 5... More Details

MK-315D 3 Bank x 5 Amps ON-BOARD MARINE BATTERY CHARGERS Reengineered with a microprocessor-based design, digital on-board chargers protect your battery, charge faster, and help you stay on the water ... More Details

Use this 15' cable when your standard charger cables don't reach the bow, center or transom battery compartments. The cable features WAGO Wall-Nut quick connectors (UL listed), and fused (30 amp) posi... More Details

This convenient adapter allows quick thru-hull connections to an AC extension cord - with no cutting or splicing required - using the male AC plug from any of our chargers. The watertight cover and ga... More Details

This convenient adapter allows quick thru-hull connections to an AC extension cord - with no cutting or splicing required - using the male AC plug from any of our chargers. The watertight cover and ga... More Details

On-Board Precision Charger MK-106 PCL 1 Bank x 6 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more f... More Details

On-Board Precision Charger MK-110 PCL 1 Bank x 10 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more ... More Details

On-Board Precision Charger MK-212 PCL 2 Bank x 6 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more f... More Details

On-Board Precision Charger MK-220 PCL 2 Bank x 10 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more ... More Details

On-Board Precision Charger MK-230 PCL 2 Bank x 15 AMP LI Optimized Charger Longer run times. Shorter charge times. The precision difference keeps anglers on the water longer and puts more fish in the ... More Details

On-Board Precision Charger MK-318 PCL 3 Bank x 6 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more f... More Details

On-Board Precision Charger MK-330 PCL 3 Bank x 10 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more ... More Details

On-Board Precision Charger MK-345 PCL 3 Bank x 15 AMP LI Optimized Charger Longer run times. Shorter charge times. The precision difference keeps anglers on the water longer and puts more fish in the ... More Details

On-Board Precision Charger MK-440 PCL 4 Bank x 10 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more ... More Details

On-Board Precision Charger MK-460 PCL 4 Bank x 15 AMP LI Optimized Charger Longer run times. Shorter charge times. The precision difference keeps anglers on the water longer and puts more fish in the ... More Details

On-Board Precision Charger MK-550 PCL 5 Bank x 10 AMP LI Optimized Charger Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more ... More Details