Sidebar

Categories

Electrical - Battery Management

Marine battery management systems are designed to help monitor, control, and optimize your vessel's power supply for safer and more efficient operation on the water. Engineered for demanding freshwater and saltwater environments, today's battery management solutions provide reliable control over charging, power distribution, and battery protection while helping extend battery life and improve system performance. From battery switches, automatic charging relays, battery monitors, isolators, selectors, management panels, and power distribution components to advanced monitoring solutions, these products help organize and maintain your boat's electrical system. Whether you're managing multiple battery banks, upgrading onboard electronics, or ensuring dependable power for critical equipment, the right battery management components provide greater confidence and control. Featuring premium products from trusted marine manufacturers, our Electrical – Battery Management collection delivers the quality, reliability, and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal battery management solution for your vessel.

Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Perko Heavy Duty Battery Selector Switch w/Alternator Field Disconnect [8603DP]
    Perko

    Perko Heavy Duty Battery Selector Switch w/Alternator Field Disconnect [8603DP]

    $307.67
    $467.19
    $307.67
    Diameter: 5-1/4" Depth: 2-5/8" Polycarbonate Body with Brass Terminals Ignition Protected For use with 6 to 32 Volt Marine Electrical Systems Capacity - 250 AMPS Continuous, 360 AMPS 5 Mins. Intermittent Terminal Stud Size: 5/16" When used with Non-Unitized Alternators, these models will interrupt...
    $307.67
    $467.19
    $307.67
  • Attwood Single Battery Switch - 12-50 VDC [14233-7]Attwood Single Battery Switch - 12-50 VDC [14233-7]
    Attwood Marine

    Attwood Single Battery Switch - 12-50 VDC [14233-7]

    $39.69
    $52.59
    $39.69
    Single Battery Switch - 12-50 VDCCompact and heavy-duty battery switches with removable control knob to deter theft.Single battery option 12-50 volts DC / 200 Amps Continuous / 300 Amps Intermittent / on-off-separate Ergonomic grips Removable walls for easy access
    $39.69
    $52.59
    $39.69
  • Blue Sea 7623 ML-Series Heavy Duty Automatic Charging Relay - 24V [7623]
    Blue Sea Systems

    Blue Sea 7623 ML-Series Heavy Duty Automatic Charging Relay - 24V [7623]

    $310.51
    $472.15
    $310.51
    7623Manual Control: YesCoil Voltage: 24vFeatures: Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing Includes ML-Series Remote Control Contura Switch PN 2146 500 Ampere continuous rating Magnetic Latch (ML)-ACR draws very...
    $310.51
    $472.15
    $310.51
  • Blue Sea 9159 m-Series Battery Switch Paralleling Link Bus 2-Pack [9159]Blue Sea 9159 m-Series Battery Switch Paralleling Link Bus 2-Pack [9159]
    Blue Sea Systems

    Blue Sea 9159 m-Series Battery Switch Paralleling Link Bus 2-Pack [9159]

    $21.25
    $29.76
    $21.25
    m-Series Battery Switch Paralleling Link Bus Material: Tin-Plated Copper Continuous Rating: 250 Amperes DC WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more...
    $21.25
    $29.76
    $21.25
  • Blue Sea 7649 Mini Add-A-Battery Kit [7649]
    Blue Sea Systems

    Blue Sea 7649 Mini Add-A-Battery Kit [7649]

    $189.99
    $286.40
    $189.99
    7649 Mini Add-A-BatteryWhat does the Mini Add-A-Battery do?Adding a second battery prevents getting stranded with a dead battery by isolating the start battery from the house loads that can quickly discharge a battery. The Mini Add-A-Battery offers a compact, simple way to control the...
    $189.99
    $286.40
    $189.99
  • Victron SmartShunt 500A/50MV IP65 Bluetooth Battery Monitor [SHU065150050]Victron SmartShunt 500A/50MV IP65 Bluetooth Battery Monitor [SHU065150050]
    Victron Energy

    Victron SmartShunt 500A/50MV IP65 Bluetooth Battery Monitor [SHU065150050]

    $156.68
    $184.33
    $156.68
    SmartShunt 500A/50MV IP65 Bluetooth Battery MonitorThe Smart Battery ShuntThe SmartShunt is an all-in-one battery monitor, only without a display. Your phone acts as a display. The SmartShunt connects via Bluetooth to the VictronConnect app on your phone (or tablet) and you can conveniently read...
    $156.68
    $184.33
    $156.68
  • Victron SolidSwitch 104 f/DC Loads Up To 70V/4A [BMS800200104]
    Victron Energy

    Victron SolidSwitch 104 f/DC Loads Up To 70V/4A [BMS800200104]

    $55.44
    $65.22
    $55.44
    SolidSwitch 104 for DC Loads Up To 70V/4AFeatures: The SolidSwitch 104 will switch DC loads of up to 70V/4A and can be controlled by a low-power digital signal. The DC load can be resistive, capacitive or inductive (such as the coil of a high-power...
    $55.44
    $65.22
    $55.44
  • Victron VE.Bus BMS NG [BMS300200300]Victron VE.Bus BMS NG [BMS300200300]
    Victron Energy

    Victron VE.Bus BMS NG [BMS300200300]

    $221.76
    $260.90
    $221.76
    VE.Bus BMS NGThe VE.Bus BMS NG is an all-in-one Battery Management System (BMS) for Victron Lithium NG batteries (not compatible with Lithium Battery Smart batteries), designed for systems with Victron inverters or inverter/chargers using VE.Bus communication. It monitors and protects the batteries against overvoltage...
    $221.76
    $260.90
    $221.76
  • Blue Sea 5511e e-Series Dual Circuit Plus Battery Switch [5511E]Blue Sea 5511e e-Series Dual Circuit Plus Battery Switch [5511E]
    Blue Sea Systems

    Blue Sea 5511e e-Series Dual Circuit Plus Battery Switch [5511E]

    $76.55
    $114.84
    $76.55
    5511eDual Circuit Plus Battery Switch CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets American Boat and Yacht Council (ABYC) requirements for battery switches 3/8" - 16 tin-plated copper studs for maximum...
    $76.55
    $114.84
    $76.55
  • BEP Battery Switch Label Sheet [713]
    BEP Marine

    BEP Battery Switch Label Sheet [713]

    $25.51
    $36.24
    $25.51
    701 Contour Battery Master SwitchLabel Set (12 Labels) for non-standard labeling.
    $25.51
    $36.24
    $25.51
  • Guest 2111A Heavy Duty Battery Selector Switch [2111A]
    Guest

    Guest 2111A Heavy Duty Battery Selector Switch [2111A]

    $49.61
    $90.73
    $49.61
    Battery Selector SwitchPart No. 2111AFeatures New ergonomically styled turn knob provides easy On/Off switching Updated color scheme and graphics make it easier to determine switch status Longer stud lengths for improved assembly and easier cable routing Built with heavy-duty copper sweep contacts to ensure...
    $49.61
    $90.73
    $49.61
  • Sea-Dog Battery Tray w/Straps f/27 Series Batteries [415047-1]
    Sea-Dog

    Sea-Dog Battery Tray w/Straps f/27 Series Batteries [415047-1]

    $18.42
    $24.60
    $18.42
    Battery Tray with Straps for 27 Series Batteries Heavy duty Battery Tray with Strap for size #27 batteries. Includes hold down strap with a quick release buckle and four 1/4"x1" PH screws with washers. Injection molded polypropylene construction.WARNING: This product can expose you to chemicals...
    $18.42
    $24.60
    $18.42
  • Sea-Dog Battery Tray w/Straps f/24 Series Batteries [415044-1]
    Sea-Dog

    Sea-Dog Battery Tray w/Straps f/24 Series Batteries [415044-1]

    $17.00
    $22.33
    $17.00
    Battery Tray with Straps for 24 Series Batteries Heavy duty Battery Tray with Strap for size #24 batteries. Includes hold down strap with a quick release buckle and four 1/4"x1" PH screws with washers. Injection molded polypropylene construction.WARNING: This product can expose you to chemicals...
    $17.00
    $22.33
    $17.00
  • Victron SmallBMS NG [BMS400100300]Victron SmallBMS NG [BMS400100300]
    Victron Energy

    Victron SmallBMS NG [BMS400100300]

    $120.52
    $141.79
    $120.52
    SmallBMS NGThe SmallBMS NG is an all-in-one Battery Management System (BMS) designed for Victron Lithium NG batteries (not compatible with lithium smart batteries). It monitors and protects the batteries by managing charge and load disconnects and providing pre-alarms for low battery voltage.The SmallBMS NG...
    $120.52
    $141.79
    $120.52
  • Blue Sea 7701 ML-Series Solenoid w/Contura Switch 12VDC [7701]
    Blue Sea Systems

    Blue Sea 7701 ML-Series Solenoid w/Contura Switch 12VDC [7701]

    $302.00
    $460.81
    $302.00
    7701Manual Control: NoCoil Voltage: 12V DC 500 Ampere continuous rating for use as a remote battery switch for inboard gasoline or diesel engines, reducing long cable runs Magnetic latch only draws current when changing state of switch, drawing no current in "ON" or "OFF"...
    $302.00
    $460.81
    $302.00
  • Blue Sea 8686 Dual-Battery m-Series, Dual Circuit Plus [8686]
    Blue Sea Systems

    Blue Sea 8686 Dual-Battery m-Series, Dual Circuit Plus [8686]

    $340.29
    $517.52
    $340.29
    m-Series Dual Circuit Plus PN 6011(1) 100A C-Series Flat Rocker Circuit Breaker(2) 15A Push Button Thermal Circuit Breakers Designed for twin engine configurations Provides 24 hour circuit protection Provides main DC circuit protection in addition to high ampere load protection Protects electronics from sags...
    $340.29
    $517.52
    $340.29
  • Perko Compact Medium Duty Battery Selector Switch w/o Key Lock [8511DP]
    Perko

    Perko Compact Medium Duty Battery Selector Switch w/o Key Lock [8511DP]

    $94.99
    $145.78
    $94.99
    Compact Battery Selector & Main Disconnect Switches Polycarbonate Body with Brass Terminals Ignition Protected For use with 6 to 32 Volt Marine Electrical Systems Capacity - 315 AMPS Continuous, 450 AMPS 5 Mins. Intermittent Terminal Stud Size: 3/8" Width: 4" Height: 4" Depth: 3"...
    $94.99
    $145.78
    $94.99
  • Victron SmartSolar MPPT Charge Controller - 75V - 15AMP [SCC075015060R]Victron SmartSolar MPPT Charge Controller - 75V - 15AMP [SCC075015060R]
    Victron Energy

    Victron SmartSolar MPPT Charge Controller - 75V - 15AMP [SCC075015060R]

    $100.03
    $117.69
    $100.03
    SmartSolar MPPT Charge Controller - 75V - 15AMPFeatures: Bluetooth Smart built-in The wireless solution to set-up, monitor, update and synchronise SmartSolar Charge Controllers.  VE.Direct For a wired data connection to a Color Control GX, other GX products, PC or other devices  Ultra-fast Maximum Power...
    $100.03
    $117.69
    $100.03
  • Victron SmartSolar MPPT 150/45 Solar Charge Controller [SCC115045212]
    Victron Energy

    Victron SmartSolar MPPT 150/45 Solar Charge Controller [SCC115045212]

    $325.41
    $382.84
    $325.41
    SmartSolar MPPT 150/45 Solar Charge ControllerA solar charger gathers energy from your solar panels, and stores it in your batteries.  Using the latest, fastest technology, SmartSolar maximizes this energy harvest, driving it intelligently to achieve full charge in the shortest possible time.  SmartSolar maintains...
    $325.41
    $382.84
    $325.41
  • Blue Sea 8690 e-Series Dual Circuit Plus PN 5511e [8690]
    Blue Sea Systems

    Blue Sea 8690 e-Series Dual Circuit Plus PN 5511e [8690]

    $429.61
    $655.06
    $429.61
    e-Series Dual Circuit Plus PN 5511e(1) 100A C-Series Flat Rocker Circuit Breaker(2) 15A Push Button Thermal Circuit Breakers Designed for twin engine configurations Provides 24 hour circuit protection Provides main DC circuit protection in addition to high ampere load protection Protects electronics from sags...
    $429.61
    $655.06
    $429.61