Collection: Electrical

Dependable power starts with the right marine electrical equipment.

Explore marine electrical supplies and power-system components for maintaining, repairing and upgrading your boat's onboard electrical systems. From battery management and shore power to wiring, circuit protection and power conversion, Roam & Harbor brings together the electrical essentials you need for dependable life on the water.

Shop marine electrical wire, battery chargers, battery management equipment, shore power supplies, inverters, DC-to-DC converters, solar panels, alternators, electrical panels, circuit breakers, fuse blocks, switches, terminals, busbars, meters, monitoring equipment, electrical tools and installation accessories for sailboats, powerboats, yachts and other marine applications.

Whether you're troubleshooting an existing system, replacing an electrical component, adding new electronics or planning a larger onboard power upgrade, find marine electrical products for projects throughout your vessel.

From the dock to open water, build your electrical system with the equipment needed to stay connected, charged and ready for what comes next.

Power the boat. Prepare the journey. Adventure Starts Here.™

3926 products

  • ARCO Marine

    ARCO Marine Heavy Duty Current Model Mercruiser Solenoid w/Raised Isolated Base [SW058HD]

    Regular price $37.55 USD
    Sale price $37.55 USD Regular price $0.00 USD

    Heavy Duty Current Model Mercruiser Solenoid with Raised Isolated BaseHeavy duty Mercruiser solenoid that will fit Mercruiser and Mercury, Isolated base, 12 Volt.Replaces:MERCURY 89-846070HDMERCURY 89-94318HD*ARCO Assurance...

  • Save $24.00 USD
    Blue Sea Systems

    Blue Sea 7615 ATD Automatic Timer Disconnect [7615]

    Regular price $140.99 USD
    Sale price $140.99 USD Regular price $164.99 USD

    ATD Automatic Timer DisconnectAdjustable time or voltage based battery disconnect automatically shuts off devices to preserve battery power 12V signal triggers relay to connect battery power...

  • Pacer

    Pacer Black 6 AWG Battery Cable - Sold By The Foot [WUL6BK-FT]

    Regular price $3.21 USD
    Sale price $3.21 USD Regular price $0.00 USD

    Black 6 AWG Battery Cable - Sold By The Foot Pacer's 6 AWG Marine Battery Cable meets and exceeds the most stringent specifications. This UL-approved marine cable...

  • Save $77.00 USD
    Blue Sea Systems

    Blue Sea 7620 ML-Series Automatic Charging Relay (Magnetic Latch) 12VDC [7620]

    Regular price $303.99 USD
    Sale price $303.99 USD Regular price $380.99 USD

    7620Manual Control: NoCoil Voltage: 12V DC Combines battery banks during charging and isolates under discharge 500 Ampere continuous rating suitable for use with large battery banks,...

  • Save $164.51 USD
    Pacer

    Pacer 16/2 AWG Duplex Cable - Flat Cable - Red/Black - 500' [W16/2DC-500]

    Regular price $218.99 USD
    Sale price $218.99 USD Regular price $383.50 USD

    16/2 AWG Duplex Cable - Flat Cable - Red/Black - 500'Duplex Boat Cable is used in low voltage AC applications as well as DC circuits.  Pacer...

  • Save $33.96 USD
    Digital Yacht

    Digital Yacht BM100 Battery Monitoring Solution [ZDIGISSBM100]

    Regular price $405.99 USD
    Sale price $405.99 USD Regular price $439.95 USD

    BM100 Battery Monitoring SolutionThe BM100 is a complete system comprising SmartShunt and the veKonvert NMEA 2000 interface. It is part of Digital Yacht’s iSeaSense range of...

  • Save $124.00 USD
    Balmar

    Balmar Alternator 170 AMP 12V 4" Dual Foot Saddle K6 Pulley [XT-DF4-170-K6]

    Regular price $1,019.99 USD
    Sale price $1,019.99 USD Regular price $1,143.99 USD

    Alternator 170 AMP 12V 4" Dual Foot Saddle K6 PulleyBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. They install...

  • Save $44.70 USD
    Balmar

    Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle Dual Pulley w/Isolated Ground [60-120-DV]

    Regular price $859.99 USD
    Sale price $859.99 USD Regular price $904.69 USD

    Alternator 120 AMP 12V 3.15" Dual Foot Saddle Dual Pulley with Isolated GroundAlternator, 60 Series, 120A, 12V, Saddle Mount (Dual Foot), 3.15in, Dual Deep Vee Pulley,...

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