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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- 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
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Vendor:Blue Sea Systems
Blue Sea 6006 m-Series (Mini) Battery Switch Single Circuit ON/OFF Red [6006]
- £20.24
£29.99- £20.24
- Unit price
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6006m-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 conntecting for emergency paralleling Ignition protected - Safe for installation aboard gasoline powered boats Case design...- £20.24
£29.99- £20.24
- Unit price
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Vendor:Mastervolt
Mastervolt Charge Mate Pro 90 [83309002]
- £165.72
£275.21- £165.72
- Unit price
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Charge Mate Pro 90Current limited electronic charge relay with high efficiency and reverse current protectionA secondary battery onboard requires a dedicated charging solution. The Charge Mate Pro makes it possible to distribute the charger or alternator current effectively between two battery banks such as...- £165.72
£275.21- £165.72
- Unit price
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Vendor:Perko
Perko Medium Duty Battery Disconnect Shut Off/On - 250 Amp Continuous, 12-32VDC [9601DP]
- £37.49
£74.20- £37.49
- 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...- £37.49
£74.20- £37.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7615 ATD Automatic Timer Disconnect [7615]
- £84.73
£123.73- £84.73
- 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...- £84.73
£123.73- £84.73
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Vendor:Blue Sea Systems
Blue Sea 7713100 ML-RBS Remote Battery Switch w/Manual Control Auto Release Deutsch Connector - 12V [7713100]
- £182.97
£278.21- £182.97
- Unit price
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7713100 ML-RBS Remote Battery Switch with Manual Control Auto Release & Deutsch Connector - 12VFeatures: Includes Manual Control Auto Release Includes Deutsch Connector 12V Wire Harness Connections: Red: Control +VDC, To Close Black: Ground Yellow: -VDC LED Output- £182.97
£278.21- £182.97
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Vendor:Blue Sea Systems
Blue Sea 6006200 Battery Switch Mini ON/OFF - Black [6006200]
- £23.99
£35.99- £23.99
- 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...- £23.99
£35.99- £23.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7610 120 Amp SI-Series Automatic Charging Relay [7610]
- £91.48
£133.48- £91.48
- Unit price
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7610120 Amp SI-Series Automatic Charging Relay Allows temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics Automatically combines battery banks during the charging cycle and isolates under discharge 12/24 Volt auto ranging voltage input Waterproof rated IP67 -...- £91.48
£133.48- £91.48
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7700 ML-Series Remote Battery Switch w/Manual Control 12VDC [7700]
- £171.72
£261.71- £171.72
- 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...- £171.72
£261.71- £171.72
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Vendor:Blue Sea Systems
Blue Sea 9001e e-Series Battery Switch Selector [9001E]
- £32.24
£47.99- £32.24
- 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...- £32.24
£47.99- £32.24
- Unit price
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Vendor:Egis Mobile Electric
Egis M-Series 300A Battery Switch Off/On Knob Actuator [2306]
- £13.49
£26.62- £13.49
- 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...- £13.49
£26.62- £13.49
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Vendor:Blue Sea Systems
Blue Sea 7622100 ML ACR Charging Relay 12V 500A w/Manual Control Deutsch Connector [7622100]
- £183.72
£280.46- £183.72
- Unit price
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7622100 ML ACR Charging Relay 12V 500A with Manual Control & Deutsch Connector500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine.Features: Manual control switch provides an added level of safety allowing control with...- £183.72
£280.46- £183.72
- Unit price
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Vendor:Victron Energy
Victron CYRIX-CT 12/24V-120A Intelligent Battery Combiner [CYR010120011R]
- £36.97
£43.49- £36.97
- Unit price
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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...- £36.97
£43.49- £36.97
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Vendor:Blue Sea Systems
Blue Sea 2145 ML-Series Remote Control Contura Switch - (ON) OFF (ON) [2145]
- £19.49
£28.49- £19.49
- 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...- £19.49
£28.49- £19.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 11001 e-Series Battery Switch w/Alternator Field Disconnect - 3-Position [11001]
- £35.24
£53.24- £35.24
- 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...- £35.24
£53.24- £35.24
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 3002 HD-Series Battery Switch Selector [3002]
- £85.48
£124.48- £85.48
- 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...- £85.48
£124.48- £85.48
- Unit price
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Vendor:Victron Energy
Victron Orion-TR Smart 12/12-18 18A (220W) Isolated DC-DC Charger or Power Supply [ORI121222120]
- £119.84
£140.98- £119.84
- 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...- £119.84
£140.98- £119.84
- Unit price
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Vendor:Victron Energy
Victron SmartSolar MPPT 250/70-TR VE.Can [SCC125070421]
- £402.21
£473.19- £402.21
- Unit price
- / per
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...- £402.21
£473.19- £402.21
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7620 ML-Series Automatic Charging Relay (Magnetic Latch) 12VDC [7620]
- £187.47
£285.71- £187.47
- Unit price
- / per
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...- £187.47
£285.71- £187.47
- Unit price
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Vendor:Egis Mobile Electric
Egis XD Series Single 500 Amp Heavy Duty Battery Switch/Mechanical Contactor [8710-1900]
- £28.49
£37.65- £28.49
- Unit price
- / per
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...- £28.49
£37.65- £28.49
- Unit price
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Vendor:Guest
Guest 2300A Diesel Power Battery Selector Switch [2300A]
- £118.48
£216.72- £118.48
- Unit price
- / per
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...- £118.48
£216.72- £118.48
- Unit price
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![Blue Sea 6006 m-Series (Mini) Battery Switch Single Circuit ON/OFF Red [6006]](http://www.dbmarinesupplies.com/cdn/shop/files/25104XL_533x.jpg?v=1682640290)
![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 7610 120 Amp SI-Series Automatic Charging Relay [7610]](http://www.dbmarinesupplies.com/cdn/shop/files/30594XL_533x.jpg?v=1682642999)
![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)