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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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
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- Date, old to new
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Vendor:Blue Sea Systems
Blue Sea 7615 ATD Automatic Timer Disconnect [7615]
- $158.35
$231.23- $158.35
- Unit price
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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 to devices. When signal is removed the timer is activated and will disconnect devices after a preset time...- $158.35
$231.23- $158.35
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Vendor:Digital Yacht
Digital Yacht BM100 Battery Monitoring Solution [ZDIGISSBM100]
- $503.11
$616.57- $503.11
- Unit price
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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 NMEA 2000 boat instruments. With this solution, your multi-function display becomes a sophisticated battery and energy management system.FeaturesDigital...- $503.11
$616.57- $503.11
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Vendor:Blue Sea Systems
Blue Sea 7620 ML-Series Automatic Charging Relay (Magnetic Latch) 12VDC [7620]
- $350.35
$533.94- $350.35
- Unit price
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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, starters, alternators, and inverter/chargers Includes ML-Series Remote Control Contura Switch PN 2146 Silver alloy contacts provide high reliability...- $350.35
$533.94- $350.35
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Vendor:Perko
Perko Medium Duty Battery Disconnect Shut Off/On - 250 Amp Continuous, 12-32VDC [9601DP]
- $70.06
$138.66- $70.06
- Unit price
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Medium Duty Battery Disconnect SwitchPart #: 9601DPFeatures: Ignition Protected For use with 12, 24 and 32 Volt Marine Electrical Systems Capacity - 250 Amps Continuous & 360 Amps Intermittent When used with Non-Unitized Alternators, these models will interrupt the field current (reducing the possibility...- $70.06
$138.66- $70.06
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Vendor:Blue Sea Systems
Blue Sea 6006200 Battery Switch Mini ON/OFF - Black [6006200]
- $44.83
$67.26- $44.83
- Unit price
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6006200 - Blackm-Series (Mini) Battery Switch Single 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 Ignition protected - Safe for installation aboard gasoline powered boats...- $44.83
$67.26- $44.83
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Vendor:Blue Sea Systems
Blue Sea 7700 ML-Series Remote Battery Switch w/Manual Control 12VDC [7700]
- $320.92
$489.09- $320.92
- Unit price
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7700 Includes ML-Series Remote Control Contura Switch 2145 Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing 500 Ampere continuous rating for engine, inverter, house loads, and emergency battery combine Magnetic...- $320.92
$489.09- $320.92
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Vendor:Blue Sea Systems
Blue Sea 9001e e-Series Battery Switch Selector [9001E]
- $60.25
$89.68- $60.25
- Unit price
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9001e e-Series Battery Switch Selector Features: Make-before-break contact design allows switching between battery banks without power interruption 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...- $60.25
$89.68- $60.25
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Vendor:Egis Mobile Electric
Egis M-Series 300A Battery Switch Off/On Knob Actuator [2306]
- $25.21
$49.75- $25.21
- Unit price
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M-Series 300A Battery Switch Off/On Knob ActuatorSealed Against Dust & Water Intrusion - To ensure reliable circuit protection for the life of the electrical system installation.Ignition Protected - Safe for installation in closed compartments with potential explosive gases.Serrated Flange Lock Nuts - Improves resistance...- $25.21
$49.75- $25.21
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Vendor:Victron Energy
Victron CYRIX-CT 12/24V-120A Intelligent Battery Combiner [CYR010120011R]
- $69.09
$81.28- $69.09
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CYRIX-CT 12/24V-120A Intelligent Battery CombinerThe 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 decreases below...- $69.09
$81.28- $69.09
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Vendor:Blue Sea Systems
Blue Sea 2145 ML-Series Remote Control Contura Switch - (ON) OFF (ON) [2145]
- $36.42
$53.24- $36.42
- Unit price
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2145Pole/Throw: SPDTAction: (ON) OFF (ON)Features:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: 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...- $36.42
$53.24- $36.42
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Vendor:Blue Sea Systems
Blue Sea 11001 e-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11001]
- $65.85
$99.49- $65.85
- Unit price
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e-Series Selector 3 Position Battery Switch with AFDAFD: YesBattery Combiner: NoFeatures: Make-before-break contact design allows switching between battery banks without power interruption CE Marked Ignition protected-safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets American Boat and...- $65.85
$99.49- $65.85
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Vendor:Blue Sea Systems
Blue Sea 3002 HD-Series Battery Switch Selector [3002]
- $159.75
$232.63- $159.75
- Unit price
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3002 HD-Series Battery Switch SelectorFeatures: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition protected - safe for installation aboard gasoline powered boats .870" (22.01mm) stud length to accept 4 or more cable terminals 1/2" (M12) Tin-plated copper studs for maximum conductivity and corrosion...- $159.75
$232.63- $159.75
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Vendor:Victron Energy
Victron Orion-TR Smart 12/12-18 18A (220W) Isolated DC-DC Charger or Power Supply [ORI121222120]
- $223.95
$263.47- $223.95
- Unit price
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Orion-TR Smart 12/12-18A (220W) Isolated DC-DC Charger or Power SupplyThe Orion-Tr Smart isolated DC-DC charger serves as a DC-DC battery charger or a power supply (also designed for use as a constant voltage source), offering a wide input and output voltage range. This is...- $223.95
$263.47- $223.95
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Vendor:Victron Energy
Victron SmartSolar MPPT 250/70-TR VE.Can [SCC125070421]
- $751.67
$884.32- $751.67
- Unit price
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SmartSolar MPPT 250/70-TR VE.CanThe SmartSolar MPPT is packed with advanced technology to get the most out of your solar panels whilst protecting your batteries. It operates at 98% efficiency with natural cooling and is engineered to withstand the toughest conditions.The lightning-fast maximum power point...- $751.67
$884.32- $751.67
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Vendor:Egis Mobile Electric
Egis XD Series Single 500 Amp Heavy Duty Battery Switch/Mechanical Contactor [8710-1900]
- $53.24
$70.35- $53.24
- Unit price
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XD Series Single 500 Amp Heavy Duty Battery Switch/Mechanical ContactorFeatures: Silver Alloy Contact Points support high ampere/full voltage switching capability versus legacy rotary style switches. Expandable: Integrate the 8700 XD Battery Disconnect easily with XD Series FLEX/ACR/LVD relays via using optional 8790 Link and...- $53.24
$70.35- $53.24
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Vendor:Guest
Guest 2300A Diesel Power Battery Selector Switch [2300A]
- $221.42
$405.01- $221.42
- Unit price
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Diesel Power Battery Selector SwitchProduct Features Polycarbonate case For 6, 12, 24 or 36 Volt systems Alternator field disconnect (AFD) allowing selection of any position including "off", without damage to alternator or electrical system One year warranty Specifications: Continuous Amps: 360 Momentary Amps: 600...- $221.42
$405.01- $221.42
- Unit price
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Vendor:Victron Energy
Victron SmartSolar MPPT 100/20 - Up to 48 VDC [SCC110020160R]
- $131.04
$154.16- $131.04
- Unit price
- / per
SmartSolar MPPT 100/20 - Up to 48 VDCA solar charger gathers energy from your solar panels, and stores it in your batteries. Using the latest, fastest technology, SmartSolar maximises this energy-harvest, driving it intelligently to achieve full charge in the shortest possible time. SmartSolar...- $131.04
$154.16- $131.04
- Unit price
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Vendor:Victron Energy
Victron BatteryProtect BP-100 - 100AMP - 6-35 VDC [BPR000100400]
- $75.05
$88.29- $75.05
- Unit price
- / per
BatteryProtect BP-100 - 100AMP - 6-35 VDCFeatures: The BatteryProtect disconnects the battery from non essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left to crank the engine. 12/24V auto ranging The BatteryProtect automatically detects...- $75.05
$88.29- $75.05
- Unit price
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Vendor:Victron Energy
Victron SmartShunt 300A IP65 Bluetooth Battery Monitor [SHU065130050]
- $120.31
$141.55- $120.31
- Unit price
- / per
SmartShunt 300A IP65 Bluetooth Battery MonitorThe 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 out all monitored...- $120.31
$141.55- $120.31
- Unit price
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Vendor:Victron Energy
Victron Replacement Shunt f/BMV Monitors - *PCB is NOT Included* [SHU500050100]
- $30.97
$36.44- $30.97
- Unit price
- / per
Replacement Shunt for BMV Monitors - *PCB is NOT Included*Replacement 500A/50MV shunt for BMV Monitors*BMV PCB is NOT included and must be purchased separately*Warranty InfoPlease contact your dealer for any returns, repairs or support issues related to this product. Quick Guide (pdf)- $30.97
$36.44- $30.97
- Unit price
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![Blue Sea 7615 ATD Automatic Timer Disconnect [7615]](http://www.dbmarinesupplies.com/cdn/shop/files/64363XL_533x.jpg?v=1682699820)
![Blue Sea 6006200 Battery Switch Mini ON/OFF - Black [6006200]](http://www.dbmarinesupplies.com/cdn/shop/files/44192XL_533x.jpg?v=1682660178)
![Blue Sea 7700 ML-Series Remote Battery Switch w/Manual Control 12VDC [7700]](http://www.dbmarinesupplies.com/cdn/shop/files/32564XL_533x.jpg?v=1682646012)
![Blue Sea 9001e e-Series Battery Switch Selector [9001E]](http://www.dbmarinesupplies.com/cdn/shop/files/14580XL_533x.jpg?v=1682634547)
![Blue Sea 11001 e-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11001]](http://www.dbmarinesupplies.com/cdn/shop/files/34969XL_533x.jpg?v=1682649627)
![Blue Sea 3002 HD-Series Battery Switch Selector [3002]](http://www.dbmarinesupplies.com/cdn/shop/files/20233XL_533x.jpg?v=1682636720)
![Victron SmartSolar MPPT 250/70-TR VE.Can [SCC125070421]](http://www.dbmarinesupplies.com/cdn/shop/files/111881XL_533x.jpg?v=1765405616)
![Egis XD Series Single 500 Amp Heavy Duty Battery Switch/Mechanical Contactor [8710-1900]](http://www.dbmarinesupplies.com/cdn/shop/files/107404XL_533x.jpg?v=1739233618)
![Victron SmartSolar MPPT 100/20 - Up to 48 VDC [SCC110020160R]](http://www.dbmarinesupplies.com/cdn/shop/files/87044XL_533x.jpg?v=1682773382)
![Victron BatteryProtect BP-100 - 100AMP - 6-35 VDC [BPR000100400]](http://www.dbmarinesupplies.com/cdn/shop/files/82907XL_533x.jpg?v=1682758990)
![Victron Replacement Shunt f/BMV Monitors - *PCB is NOT Included* [SHU500050100]](http://www.dbmarinesupplies.com/cdn/shop/files/85062XL_533x.jpg?v=1682766137)