Energy supply that you can trust. Always and everywhere. That is Mastervolt's mission. With Mastervolt's products and systems, they offer you the power to be independent. Wherever you are, whatever you are doing. Towboat or luxury yacht. Cruise ship or dinghy. Those who sail - whether professionally or for pleasure - rely on the products and systems of Mastervolt.
Phone: 800.307.6702
Web: www.mastervolt.us
We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.
Call us today at 1-414-254-1559 for personalized service and help locating / replacing hard to find marine electrical equipment.
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Mac Plus 12/48-15Boost Your Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by smart alte...
View full details![Mastervolt Mac Plus 24/24-30 + CZone [81205405]](http://cemarine.com/cdn/shop/files/102662XL_512x512.jpg?v=1705371318)
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Mac Plus 24/24-30 + CZoneBoost the Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by sma...
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Mac Plus 12/24-30 + CZoneBoost the Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by sma...
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Mac Plus 24/12-50 + CZoneBoost the Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by sma...
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Mac Plus 12/12-50 + CZoneBoost the Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by sma...
View full details![Mastervolt 24/75, 75A, 24V Battery Charger [40020756]](http://cemarine.com/cdn/shop/files/81032XL_512x512.jpg?v=1699998786)
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24/75, 75A, 24V Battery ChargerThe right choice for demanding conditionsMass battery chargers are designed for the toughest conditions for profess...
View full details![Mastervolt MasterBus Terminator [77040000]](http://cemarine.com/cdn/shop/files/100332XL_512x512.jpg?v=1690932538)
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MasterBus TerminatorTerminators ensure interference-free operation of the MasterBus network, prevent reflection of data signals, and ensure high c...
View full details![Mastervolt ChargeMaster Plus - 24V - 110 Amp - 2 Bank [44321105]](http://cemarine.com/cdn/shop/files/80148XL_512x512.jpg?v=1689370359)
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ChargeMaster Plus - 24V - 110 Amp - 2 BankAll-in-one solution for faster and safer chargingChargeMaster Plus is the next generation of battery cha...
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ChargeMaster Plus - 24V - 80 Amp - 2 BankChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one ...
View full details![Mastervolt Mass 24/25-2 25 AMP 24V Battery Charger [40020256]](http://cemarine.com/cdn/shop/products/97572XL_512x512.jpg?v=1669151705)
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Mass 24/25-2 25 AMP 24V Battery ChargerThe right choice for demanding conditionsMass battery chargers are designed for the toughest conditions for...
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Mass 24/100 230V/50-60hzMass battery chargers are designed for the toughest conditions for professional, semi-professional and recreational purpos...
View full details![Mastervolt BI 1203-S Isolator [83012031]](http://cemarine.com/cdn/shop/products/87013XL_512x512.jpg?v=1652827453)
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BI 1203-S IsolatorOnboard systems usually consist of two or more batteries that function independently when powering the 12 or 24V consumers. Thes...
View full details![Mastervolt Charge Mate Pro 90 [83309002]](http://cemarine.com/cdn/shop/products/93492XL_512x512.jpg?v=1652404768)
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Charge Mate Pro 90Current limited electronic charge relay with high efficiency and reverse current protectionA secondary battery onboard requires ...
View full details![Mastervolt Charge Mate 1202 [83301202]](http://cemarine.com/cdn/shop/products/93491XL_512x512.jpg?v=1652404760)
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Charge Mate 1202A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being una...
View full details![Mastervolt BattMan Pro Battery Monitor - 12/24V [70405070]](http://cemarine.com/cdn/shop/products/93490XL_512x512.jpg?v=1652404753)
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BattMan Pro Battery Monitor - 12/24VBattery monitor, 12/24 V DC with large, splash-proof display (IP65) and power bar. Displays remaining time and...
View full details![Mastervolt BattMan Lite Battery Monitor - 12/24V [70405060]](http://cemarine.com/cdn/shop/products/93489XL_512x512.jpg?v=1652404745)
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BattMan Lite Battery Monitor - 12/24VBattery monitor, 12/24 V DC with large, splash-proof display (IP65) and power bar.An affordable battery monit...
View full details![Mastervolt AC Master 12/3500 (230V) Inverter [28013500]](http://cemarine.com/cdn/shop/products/93488XL_512x512.jpg?v=1652404738)
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AC Master 12/3500 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 2...
View full details![Mastervolt AC Master 12/2500 (230V) Inverter [28012500]](http://cemarine.com/cdn/shop/products/93487XL_512x512.jpg?v=1652404729)
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AC Master 12/2500 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 2...
View full details![Mastervolt AC Master 12/2000 (230V) Inverter [28012000]](http://cemarine.com/cdn/shop/products/93486XL_512x512.jpg?v=1652404722)
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AC Master 12/2000 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 2...
View full details![Mastervolt AC Master 12/1500 (230V) Inverter [28011500]](http://cemarine.com/cdn/shop/products/93485XL_512x512.jpg?v=1652404714)
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AC Master 12/1500 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 2...
View full details![Mastervolt AC Master 12/1000 (230V) Inverter [28011000]](http://cemarine.com/cdn/shop/products/93484XL_512x512.jpg?v=1652404707)
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AC Master 12/1000 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 2...
View full details![Mastervolt AC Master 12/700 (230V) Inverter [28010700]](http://cemarine.com/cdn/shop/products/93483XL_512x512.jpg?v=1652404700)
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AC Master 12/700 (230V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 24...
View full details![Mastervolt AC Master 12/700 (120V) Inverter [28510700]](http://cemarine.com/cdn/shop/products/93482XL_512x512.jpg?v=1652404692)
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AC Master 12/700 (120V) InverterReliable AC power for recreational and semi-professional use.These affordable sine wave inverters convert 12 or 24...
View full details![Mastervolt Charge Mate 2502 [83302502]](http://cemarine.com/cdn/shop/products/80057XL_512x512.jpg?v=1652404538)
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Charge Mate 2502A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being una...
View full details![Mastervolt RJ12 Communication/Sync Cable - 6M/19 [6502001030]](http://cemarine.com/cdn/shop/products/89308XL_512x512.jpg?v=1649282049)
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RJ12 Communication/Sync Cable - 6M/19'Features: High-quality communication cable fitted with RJ12 type modular plugs Suitable for connecting a rem...
View full details![Mastervolt ChargeMaster Plus 24V, 20A, 3-Bank Battery Charger [44320205]](http://cemarine.com/cdn/shop/products/92507XL_512x512.jpg?v=1638501323)
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ChargeMaster Plus 24/20-3 Battery ChargerMake the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the wo...
View full details![Mastervolt ChargeMaster Plus 12/35-3 Battery Charger [44310355]](http://cemarine.com/cdn/shop/products/92506XL_512x512.jpg?v=1638501316)
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ChargeMaster Plus 12/35-3 Battery ChargerMake the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the wo...
View full details![Mastervolt ChargeMaster Plus 12/50-3 Battery Charger [44310505]](http://cemarine.com/cdn/shop/products/92505XL_512x512.jpg?v=1638501308)
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ChargeMaster Plus 12/50-3 Battery ChargerMake the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the wo...
View full details![Mastervolt Magic 24/24-20 DC Converter [81300200]](http://cemarine.com/cdn/shop/products/92089XL_512x512.jpg?v=1635965269)
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Magic 24/24-20 DC ConverterThe Magic models can regulate the voltage both up and down to ensure optimal voltage stabilization, even when the batte...
View full details![Mastervolt Magic 12/12-20 DC Converter [81300400]](http://cemarine.com/cdn/shop/products/65629XL_512x512.jpg?v=1635769400)
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Magic 12/12-20 DC ConverterFor The Toughest TasksThe Mac and Magic DC-DC converters are designed for the toughest conditions for professional, sem...
View full details![Mastervolt Magic 24/12-20 Converter [81300100]](http://cemarine.com/cdn/shop/products/69994XL_512x512.jpg?v=1635769413)
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Magic 24/12-20 ConverterThe Magic models can regulate the voltage both up and down to ensure an optimal voltage stabilisation, even when the batte...
View full details![Mastervolt Magic 12/24-10 DC Converter [81300300]](http://cemarine.com/cdn/shop/products/64895XL_512x512.jpg?v=1635769392)
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Magic 12/24-10 DC ConverterFor The Toughest TasksThe Mac and Magic DC-DC converters are designed for the toughest conditions for professional, sem...
View full details![Mastervolt ChargeMaster Plus 24V, 30A, 3-Bank Charger [44320305]](http://cemarine.com/cdn/shop/products/91674XL_512x512.jpg?v=1634598784)
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ChargeMaster Plus 24V, 30A, 3-Bank ChargerAll-in-one solution for faster and safer chargingThe ChargeMaster Plus family is a complete range of bat...
View full details![Mastervolt MasterBus Cable - 6M [77040600]](http://cemarine.com/cdn/shop/products/89455XL_512x512.jpg?v=1623183111)
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MasterBus Cable - 6MSuitable for data traffic and powering peripheral equipment in harsh environments, this is the only cable you need for your Ma...
View full details![Mastervolt MasterBus Cable - 3M [77040300]](http://cemarine.com/cdn/shop/products/63364XL_512x512.jpg?v=1622760217)
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MasterBus Cable - 3M Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. Mast...
View full details![Mastervolt MasterBus Cable - 1M [77040100]](http://cemarine.com/cdn/shop/products/63363XL_512x512.jpg?v=1622760206)
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MasterBus Cable - 1M Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. Mast...
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