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 - 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

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

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 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 24/15-2 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 24/100 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

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

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 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 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

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

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 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 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 12/12-50 + 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

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

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

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 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 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 - 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 - 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 - 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 - 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 - 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 - 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 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 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 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 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

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

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 - 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 - 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

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

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 - 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 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 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 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 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

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

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 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 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 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 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 12/35-3 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 12/100-3 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 - 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 - 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 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 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

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

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 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 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 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 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

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

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

Battery Temperature Sensor - 6M This temperature sensor is included with every battery charger.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is kno... More Details

Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

Battery Mate 1603 IG Isolator - 120 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

Alternator Temperature Sensor When using the Alpha Pro in combination with non-Mastervolt alternators, this alternator temperature sensor may offer additional protection against over heating. Product ... More Details

Alpha Pro III with Extended 13' Harness The Alpha Pro Regulator Kit is a universal regulator for N-type alternators. It transforms every alternator into a fully temp controlled 3-step charger, no with... More Details

Alpha Pro III Advanced 3-step charge regulator for standard and high performance alternators The propulsion engine of your boat or vehicles may be used to quickly charge your service batteries, either... More Details

AC Master 24V/2000W Inverter - 120V Mastervolt sine wave inverters have proven themselves under the most extreme conditions for over 25 years. Our inverter family consists of AC Master, Mass Sine and ... More Details

24/75, 75A, 24V Battery Charger The right choice for demanding conditions Mass battery chargers are designed for the toughest conditions for professional, semi-professional, and recreational purposes.... More Details

EEL "Y" Adapters These adapters are equipped with sealing collars and are for use in wet locations. Boat Side Female Connector: Attaches to boat inlet or cordset (2)50A-125/250V Locking w/ Sealing Col... More Details

EEL "Y" Adapters These adapters are equipped with sealing collars and are for use in wet locations. Boat Side Female Connector: Attaches to boat inlet or cordset (2)50A-125V Locking w/ Sealing Collar ... More Details

EEL "Y" Adapters These adapters are equipped with sealing collars and are for use in wet locations. Boat Side Female Connector: Attaches to boat inlet or cordset (2)30A-125V Locking w/ Sealing Collar ... More Details

EEL "Y" Adapters These adapters are equipped with sealing collars and are for use in wet locations. Boat Side Female Connector: Attaches to boat inlet or cordset (2)30A-125V Locking w/ Sealing Collar ... More Details

EEL "Y" Adapters These adapters are equipped with sealing collars and are for use in wet locations. Boat Side Female Connector: Attaches to boat inlet or cordset (2)30A-125V Locking w/ Sealing Collar ... More Details

Features Equipped with covers and sealing collars, for use in wet locations Male Connector: 30A 125V Locking, attaches to dockside receptacle or cordset Female Connector: 2-30A 125V Locking w/ Sealing... More Details

Features Equipped with covers and sealing collars, for use in wet locations Male Connector: 50A 125/250V Locking, attaches to dockside receptacle or cordset Female Connector: 2-30A 125V Locking with S... More Details

Watertight Connector Cap The 199110PK watertight connector cap provides CE-compliant protection for 32A or 50A products when they're not in use. Product Specifications Dimensions7" L × 4" W × 3" HShip... More Details

Universal Watertight Connector Cap Features: For use on 16 or 32 AMP products for CE compliance For use on 30 or 50 AMP products to protect the connector when not in use Product Specifications Dimensi... More Details

Threaded Ring - 30A - 125V Threaded sealing for use with 20 and 30A weatherproof boots and sealing collar Product Specifications Dimensions3" L × 3" W × 1" HShipping Weight0.05 lbCountry of OriginMEXI... More Details

Shore Power Straight Adapter, 30A M-15A-F Ergonomic EEL-style adapters allow you to connect from one dockside receptacle (or other power source receptacle) to one boatside inlet (or equipment) of diss... More Details

Shore Power Adapter Replaces the 84A Straight Adapter - Not recommended for useis wet locations Boat Side: Female Connector - Attaches to boat inlet or cordset 30A 125V Locking Dock Side: Male Plug - ... More Details

Shore Power Adapter Replaces the 80A Straight Adapter - Not recommended for useis wet locations Boat Side: Female Connector - Attaches to boat inlet or cordset 15 or 20A 125V Straight Blade Dock Side:... More Details

Shore Power Adapter Replaces the 83A Straight Adapter - Not recommended for useis wet locations Boat Side: Female Connector - Attaches to boat inlet or cordset 30A 125V Locking Dock Side: Male Plug - ... More Details

Straight Adapter - 15A Male Straight Blade to 50A 125/250V Female Locking Straight Adapters are high-quality, one-piece adapters similar in usage to Pigtail Adapters. However, they do not have sealing... More Details

Stainless Steel Cover w/Lift Lid f/GFCI Receptacle This 302 stainless steel sealed cover with lift lid fits GFCI duplex receptacles.WARNING: This product can expose you to chemicals including di(2-eth... More Details

Stainless Steel Cover f/Duplex Receptacle w/Lift Lid This 302 stainless steel sealed cover with lift lid fits 4700CR, 5262CRR and 5739CR duplex receptacles. WARNING: This product can expose you to che... More Details

Stainless Steel Cable TV & Internet Easy Lock Inlet Cable TV and Internet Easy Lock Inlet. Specifications: Stainless Steel Product Specifications Dimensions9" L × 6" W × 5" HShipping Weight1.05 lbCoun... More Details

Stainless Steel 12V Receptacle with Cap 12-Volt Receptacle - High quality, 12V female socket with watertight cap. Stainless steel construction. Features: AFI 12V stainless steel receptacle with cap Hi... More Details

Sealink® Dual USB-A/C Combo Charger The Marinco Sealink USB-A/C Combo offers total charging flexibility. Compatible with 12V and 24V systems, and delivering up to 45W of total output, the charger char... More Details

SeaLink® Deluxe Dual USB Charger Receptacle 12 to 24VDC input 5v, 2.1 amp total output LED power indicator light for USB Water resistant cover protects against dust and water Insulated terminals inclu... More Details

SeaLink® Deluxe Dual USB Charger & 12V Receptacle 12VDC input Dual USB has 5V, 2.1 amp total output LED power indicator light for USB Receptacle has 12VDC output, rated up to 20 amps Water resistant c... More Details

Sealink 12V Plug & Receptacle 12VPK Product Features: SeaLink Deluxe 12 Volt Receptacle and Plug Part Nos. 12VRC & 12VPG packaged together WARNING: This product can expose you to chemicals including d... More Details

Sealing Collar with Threaded Ring - 50A This sealing collar provides maximum moisture protection between cordset and adapter. At Marinco, we make electrical products that stand up to the harshest envi... More Details

30A 125V Sealing Collar with Threaded Ring This sealing collar provides maximum moisture protection between the cordset and adapter. Designed for use with 20 and 30 amp locking systems. At Marinco, we... More Details

Reverse "Y" Adapter The Reverse "Y" Adapter has two male plugs with special power isolation circuitry for added safety. When one plug is connected to a receptacle, the circuitry isolates the second pl... More Details

Replacement interior for 303SSEL-B, 303SSI-B, and 301 EL-B power inlets.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of Cali... More Details

Push Button Switch - 24V Latching On/Off - Red LED Push-button Switches are built to last with their stainless steel components and silver alloy contacts. The through panel mount switches are ideal fo... More Details

PowerCord Plus Cordset - 50AMP - 125/250V - 75' - Yellow Marinco's PowerCord Plus 50A Cordset is a shore power cable designed for 50A 125/250V AC service. Features: Heavy-duty, super-flexible marine-g... More Details