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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.

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  • Victron SmartSolar MPPT 150/70-TR VE.CAN - TR VE.CAN Solar Charge Control 150/70-TR VE.CAN Controller [SCC115070411]Victron SmartSolar MPPT 150/70-TR VE.CAN - TR VE.CAN Solar Charge Control 150/70-TR VE.CAN Controller [SCC115070411]
    Victron Energy

    Victron SmartSolar MPPT 150/70-TR VE.CAN - TR VE.CAN Solar Charge Control 150/70-TR VE.CAN Controller [SCC115070411]

    $611.90
    $719.88
    $611.90
    SmartSolar MPPT 150/70-TR VE.CAN - TR VE.CAN Solar Charge Control 150/70-TR VE.CAN ControllerSolar Charge ControllerThe MPPT VE.Can SmartSolar charger use the latest and fastest technology to convert energy from a solar array into energy that optimally charges battery banks?The SmartSolar charge controller will even...
    $611.90
    $719.88
    $611.90
  • Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]
    Blue Sea Systems

    Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]

    $42.17
    $61.85
    $42.17
    Single Circuit ON-OFF with Locking Key - Black300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs for maximum conductivity and corrosion resistance Studs accept 3/8" (M10) ring terminals 7/8" (22 mm) stud length accepts multiple cable terminals Blue...
    $42.17
    $61.85
    $42.17
  • Blue Sea 6005200 Battery Switch Single Circuit ON-OFF - Black [6005200]Blue Sea 6005200 Battery Switch Single Circuit ON-OFF - Black [6005200]
    Blue Sea Systems

    Blue Sea 6005200 Battery Switch Single Circuit ON-OFF - Black [6005200]

    $37.95
    $56.23
    $37.95
    m-Series Mini On-Off Battery Switch with Key - BlackSwitches a single battery to a single load group Ignition protected-safe for installation aboard gasoline powered boats.Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts.Switch Type: Single...
    $37.95
    $56.23
    $37.95
  • Blue Sea 6010 m-Series (Mini) Battery Switch Dual Circuit [6010]Blue Sea 6010 m-Series (Mini) Battery Switch Dual Circuit [6010]
    Blue Sea Systems

    Blue Sea 6010 m-Series (Mini) Battery Switch Dual Circuit [6010]

    $74.50
    $112.47
    $74.50
    6010m-Series (Mini) Battery Switch Dual Circuit™ Switches both positive and negative lines simultaneously with one simple ON/OFF switch meeting European and metal boat requirements for a double pole switch Switches circuits of different voltages, such as 12 volt and 24 volt, simultaneously with one...
    $74.50
    $112.47
    $74.50
  • Blue Sea 9004e e-Series Battery Switch Single Circuit ON/OFF w/Alternator Field Disconnect [9004E]Blue Sea 9004e e-Series Battery Switch Single Circuit ON/OFF w/Alternator Field Disconnect [9004E]
    Blue Sea Systems

    Blue Sea 9004e e-Series Battery Switch Single Circuit ON/OFF w/Alternator Field Disconnect [9004E]

    $78.72
    $118.09
    $78.72
    9004e e-Series Battery Switch Single Circuit ON/OFF with Alternator Field DisconnectFeatures: 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...
    $78.72
    $118.09
    $78.72
  • Sea-Dog Heavy Duty On Off Battery Switch - 600A [422768-1]
    Sea-Dog

    Sea-Dog Heavy Duty On Off Battery Switch - 600A [422768-1]

    $104.03
    $163.03
    $104.03
    Heavy Duty On & Off Battery Switch - 600AThe heavy-duty 422768 selector switch has 350A continuous and 1500 cranking amps to start a dual diesel engine. The battery selector switch isolates and/or combines two battery banks (422768). Installs with four #10 RH fasteners (not...
    $104.03
    $163.03
    $104.03
  • BEP Contour Battery Disconnect Switch - 275A Continuous [701]
    BEP Marine

    BEP Contour Battery Disconnect Switch - 275A Continuous [701]

    $44.98
    $69.15
    $44.98
    Mini Contour Battery Disconnect Switch - 275A ContinuousThis switch offers a number of unique features, the highlight being the Contour Locking System, allowing it to be a stand alone unit, or locked together with other switches. The control knob can be removed by switching...
    $44.98
    $69.15
    $44.98
  • Blue Sea 7611 DC BatteryLink Automatic Charging Relay - 120 Amp w/Auxiliary Battery Charging [7611]Blue Sea 7611 DC BatteryLink Automatic Charging Relay - 120 Amp w/Auxiliary Battery Charging [7611]
    Blue Sea Systems

    Blue Sea 7611 DC BatteryLink Automatic Charging Relay - 120 Amp w/Auxiliary Battery Charging [7611]

    $140.59
    $205.26
    $140.59
    7611 DC BatteryLink™ Automatic Charging Relay - 120 Amp w/Auxiliary Battery ChargingFeatures: 120 Amp continuous rating 12/24V DC auto ranging voltage input Senses charging on two battery banks Side and bottom knockouts for cable connections Clip-on cover insulates terminal connections 7/8" (22 mm) stud...
    $140.59
    $205.26
    $140.59
  • Blue Sea 7900 Spare Key f/ Mini Switch [7900]
    Blue Sea Systems

    Blue Sea 7900 Spare Key f/ Mini Switch [7900]

    $8.42
    $11.23
    $8.42
    Spare key for m-series (mini) Switch (6005)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 information go to P65Warnings.ca.gov.
    $8.42
    $11.23
    $8.42
  • BEP Heavy Duty Battery Selector Switch [721]
    BEP Marine

    BEP Heavy Duty Battery Selector Switch [721]

    $91.38
    $142.13
    $91.38
    Heavy-Duty Battery Selector SwitchThe 721 Battery Selector Switch is our heavy duty selector switch. Housed in the same module as the 720, it includes the same removable plates and back cover. While BEP Marine recommends isolated battery systems as outlined with our distribution clusters,...
    $91.38
    $142.13
    $91.38
  • Victron CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI Charge [CYR010120430]
    Victron Energy

    Victron CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI Charge [CYR010120430]

    $106.37
    $125.14
    $106.37
    CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI ChargeThe Cyrix Battery Combiner is a microprocessor-controlled heavy duty relay that automatically connects batteries in parallel when one of them has reached a pre-set voltage (indicating that the battery is being charged) and disconnects when the voltage...
    $106.37
    $125.14
    $106.37
  • Victron SmartSolar MPPT Charge Controller - 75V - 10AMP [SCC075010060R]Victron SmartSolar MPPT Charge Controller - 75V - 10AMP [SCC075010060R]
    Victron Energy

    Victron SmartSolar MPPT Charge Controller - 75V - 10AMP [SCC075010060R]

    $92.02
    $108.26
    $92.02
    SmartSolar MPPT Charge Controller - 75V - 10AMPFeatures: 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...
    $92.02
    $108.26
    $92.02
  • Egis Programmable Automatic Charging Relay (ACR) 160A, 12V [7610]
    Egis Mobile Electric

    Egis Programmable Automatic Charging Relay (ACR) 160A, 12V [7610]

    $153.24
    $227.21
    $153.24
    Programmable Automatic Charging Relay (ACR) 160A, 12VThis 160A Egis charging relay is automatic and programable. The relay eliminates dead start batteries by sharing charging on either of two batteries and isolating batteries when no charge sources are present.Applications: Supports multiple engines or independent charge...
    $153.24
    $227.21
    $153.24
  • Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]
    Blue Sea Systems

    Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]

    $118.09
    $171.52
    $118.09
    7601 DC Mini ACR Automatic Charging Relay - 65 AmpFeatures: 65 Amp continuous rating manages the charging current from alternators up to 65 Amps found on most outboards and many inboard engines Compact case design allows surface and panel mounting Senses charging on two...
    $118.09
    $171.52
    $118.09
  • Blue Sea 6005 m-Series (Mini) Battery Switch Single Circuit ON/OFF [6005]Blue Sea 6005 m-Series (Mini) Battery Switch Single Circuit ON/OFF [6005]
    Blue Sea Systems

    Blue Sea 6005 m-Series (Mini) Battery Switch Single Circuit ON/OFF [6005]

    $37.95
    $56.23
    $37.95
    6005m-Series (Mini) Battery SwitchSingle Circuit ON/OFF Switches a single battery to a single load group Multiple switches can be used to manage several isolated circuits including cross connecting for emergency paralleling Features: Ignition protected - Safe for installation aboard gasoline powered boats Case design...
    $37.95
    $56.23
    $37.95
  • Blue Sea 7901 Spare Knob f/m-Series (Mini) [7901]Blue Sea 7901 Spare Knob f/m-Series (Mini) [7901]
    Blue Sea Systems

    Blue Sea 7901 Spare Knob f/m-Series (Mini) [7901]

    $9.83
    $14.05
    $9.83
    Spare knob for m-series (mini) switch (6006)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 information go to P65Warnings.ca.gov.
    $9.83
    $14.05
    $9.83
  • Xantrex 30A MPPT Charge Controller [710-3024-01]
    Xantrex

    Xantrex 30A MPPT Charge Controller [710-3024-01]

    $362.74
    $487.66
    $362.74
    30A MPPT Charge ControllerDesigned to charge lithium-ion batteries including LIFePO4, the 30 A MPPT (Maximum Power Point Tracking) charge controller features an industry-leading 98% charging efficiency and dual bank output to charge and maintain house and starter batteries. The Xantrex Solar MPPT Charge Controller 30...
    $362.74
    $487.66
    $362.74
  • BEP Horizontal Battery Distribution Cluster f/Single Engine w/Two Battery Banks [716-H-140A-DVSR]
    BEP Marine

    BEP Horizontal Battery Distribution Cluster f/Single Engine w/Two Battery Banks [716-H-140A-DVSR]

    $272.75
    $462.61
    $272.75
    Horizontal Battery Distribution Cluster f/Single Engine w/Two Battery BanksThe 716-H-140A-DVSR is an ideal replacement for a battery selector switch. Just remove the selector switch and connect the existing wires to a 716 cluster, no extra wires are required for a fully automatic battery management...
    $272.75
    $462.61
    $272.75
  • Blue Sea 11003 HD-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11003]Blue Sea 11003 HD-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11003]
    Blue Sea Systems

    Blue Sea 11003 HD-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11003]

    $133.56
    $194.02
    $133.56
    11003Features: Meets American Boat and Yacht Council (ABYC) requirements for battery switches Ignition protected safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Accepts two 4/0 AWG (95mm) battery cables M12 tin-plated copper studs for maximum conductivity and...
    $133.56
    $194.02
    $133.56
  • BEP Mini Battery Selector Switch [701S]
    BEP Marine

    BEP Mini Battery Selector Switch [701S]

    $54.82
    $86.17
    $54.82
    Mini Battery Selector SwitchThe 701S is the most compact selector switch available on the market. While BEP recommends isolated battery systems as outlined with our distribution clusters, the 701S provides a simple economical way of separating two batteries. BEP Marine Battery Switch Test Procedures...
    $54.82
    $86.17
    $54.82