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
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Vendor:Sea-Dog
Sea-Dog Battery Box Strap Brackets - 38" [415092-1]
- $8.41
$10.18- $8.41
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Battery Box Strap & Brackets - 38" Battery Box Strap & Brackets includes a woven polypropylene strap, injection molded nylon buckle, two brackets, and four #8 FH fasteners. WARNING: This product can expose you to chemicals which are known to the State of California to...- $8.41
$10.18- $8.41
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Vendor:Newmar Power
Newmar BI-100 Battery Integrator [BI-100]
- $324.33
$400.17- $324.33
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BI-100 Battery IntegratorCharging multiple battery banks without the use of diode isolators dictates that the batteries be connected or “integrated” only whenever a charge voltage is present so that they may be charged simultaneously, then disconnected or “isolated” when the charge voltage is no...- $324.33
$400.17- $324.33
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Vendor:BoatBuckle
BoatBuckle Gas Tank Battery Box Kwik Lok Strap 1" x 4' [F05343]
- $19.32
$0.00- $19.32
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BoatBuckle Kwik-Lok Gas Tank/Battery Box Strap 1" x 4'The Battery Box Tie-Down features a nylon buckle,while the Gas Tank Tiedown features a zinc coated steel buckle.Both made of durable 1.5" polypropylene webbing and are packed with two polypropylene footmen loops and four stainless steel...- $19.32
$0.00- $19.32
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Vendor:Blue Sea Systems
Blue Sea 7650003 Add-A-Battery Kit - Boxed Packaging [7650003]
- $254.13
$386.11- $254.13
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7650 Add-A-Battery Kit - Boxed PackagingThe 7650 Add-a-Battery simplifies switching and automates charging for a complete two battery bank management solution.Features: A complete two battery bank management solution Dual Circuit Plus Battery Switch isolates engine and house circuits, and combines battery banks for emergency...- $254.13
$386.11- $254.13
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Vendor:Blue Sea Systems
Blue Sea 7649 Mini Add-A-Battery Kit - Boxed Packaging [7649003]
- $186.73
$272.38- $186.73
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7649 Mini Add-A-Battery Kit - Boxed PackagingWhat 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...- $186.73
$272.38- $186.73
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Vendor:BEP Marine
BEP Digital Voltage Sensing Relay DVSR - 12/24V [710-140A]
- $171.28
$268.00- $171.28
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Digtal Voltage Sensing Relay (DVSR) - 12/24VThe Digital Voltage Sensing Relay (DVSR) allows the charging of a second battery bank from any single charging source. When the voltage on the charged bank rises sufficiently, the DVSR engages allowing the 2nd battery bank to charge....- $171.28
$268.00- $171.28
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Vendor:Victron Energy
Victron Smart BatteryProtect - 220AMP - 6-35 VDC - Bluetooth Capable [BPR122022000]
- $147.99
$174.11- $147.99
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Smart BatteryProtect - 220AMP - 6-35 VDC - Bluetooth CapableFeatures: Protects the battery against excessive discharge and can be used as a system on/off switch The Smart BatteryProtect disconnects the battery from non-essential loads before it is completely discharged (which would damage the battery)...- $147.99
$174.11- $147.99
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Vendor:Victron Energy
Victron Combiner 12/24V-230A Cyrix-CT Intelligent Combiner Microprocessor Controlled [CYR010230010]
- $169.47
$199.38- $169.47
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Combiner 12/24V-230A Cyrix-CT Intelligent Combiner Microprocessor ControlledThe 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...- $169.47
$199.38- $169.47
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Vendor:Victron Energy
Victron Smart Solar MPPT 150/85-TR VE.Can [SCC115085411]
- $668.35
$786.29- $668.35
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Smart Solar MPPT 150/85-TR VE.CanA 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 battery...- $668.35
$786.29- $668.35
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Vendor:Victron Energy
Victron Lynx Smart BMS 1000 Battery Management System f/Lithium Smart Batteries [LYN034170210]
- $1,654.16
$1,946.07- $1,654.16
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Lynx Smart BMS 1000 Battery Management System for Lithium Smart BatteriesThe Lynx Smart BMS is a dedicated Battery Management System (BMS) for the Victron Lithium Battery Smart batteries. These batteries are Lithium Iron Phosphate (LiFePO4) batteries and are available in 12.8 V or 25.6...- $1,654.16
$1,946.07- $1,654.16
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Vendor:Blue Sea Systems
Blue Sea 8693 e-Series Dual Circuit Plus 2 5511e [8693]
- $568.64
$866.31- $568.64
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e-Series Dual Circuit Plus 2 PN. 5511e(1) 100A C-Series Flat Rocker Circuit Breaker(4) 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...- $568.64
$866.31- $568.64
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Vendor:Victron Energy
Victron SmartShunt 2000AMP/50MV Bluetooth Smart Battery Shunt [SHU050220050]
- $317.46
$373.49- $317.46
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SmartShunt 2000AMP/50MV Bluetooth Smart Battery ShuntThe SmartShunt is an all in one battery monitor, only without a display. Your phone acts as the display. The SmartShunt connects via Bluetooth to the VictronConnect App on your phone (or tablet) and you can conveniently read out...- $317.46
$373.49- $317.46
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Vendor:Victron Energy
Victron Smart BMS 12/200 f/Victron LIFEPO4 Batteries 12VDC Only [BMS210055000]
- $294.79
$346.81- $294.79
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Smart BMS 12/200 for Victron LIFEPO4 Batteries 12VDC OnlyThe Smart BMS 12/200 is an all-in-one Battery Management system for Victron Lithium-Iron-Phosphate (LiFePO4) Smart Batteries. It has been specifically designed for 12V systems with a 12V alternator such as in vehicles and boats.It combines a...- $294.79
$346.81- $294.79
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Vendor:Guest
Guest 2112A Battery On/Off Switch Universal Mount w/o AFD [2112A]
- $58.96
$106.70- $58.96
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2112A Battery On/Off Switch Universal Mount without AFD Universal mount switches have longer stud lengths for improved assembly and easier cable routing. They are built with heavy-duty copper sweep contacts to ensure positive circuit control. Rugged internal components are protected by a tough, impact-resistant polycarbonate...- $58.96
$106.70- $58.96
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Vendor:Perko
Perko 8504DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect & Key Lock [8504DP]
- $122.14
$200.12- $122.14
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Medium Duty Battery Selector Switches 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...- $122.14
$200.12- $122.14
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Vendor:Victron Energy
Victron SmallBMS f/Smart LiFePO4 Batteries w/M8 [BMS400100000]
- $69.22
$81.44- $69.22
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SmallBMS for Smart LiFePO4 Batteries with M8A simple and low-cost alternative to the VE.Bus BMS. The smallBMS can replace the VE.Bus BMS in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers: it has no VE.Bus interface.The smallBMS...- $69.22
$81.44- $69.22
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Vendor:Sea-Dog
Sea-Dog Power Box Battery Switch [422737-3]
- $207.79
$349.62- $207.79
- Unit price
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Power Box Battery SwitchThe Power Box is controlled with a 50A battery switch and monitored with an LED voltmeter. The switch features a removable knob for extra security. The power box includes two power sockets, two Anderson outputs, one USB-C port, and four USB-A...- $207.79
$349.62- $207.79
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Vendor:Victron Energy
Victron VE.Bus Smart Dongle [ASS030537010]
- $131.28
$154.45- $131.28
- Unit price
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VE. Bus Smart DongleThe VE.Bus Smart dongle is two products in one:First of all it is the bluetooth accessory for our range of inverter/chargers: Multis, MultiPlusses, MultiPlus-II, MultiGrid, MultiGrid-II, Quattros, and our series of Phoenix Inverters with a VE.Bus port. When installed, use the...- $131.28
$154.45- $131.28
- Unit price
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Vendor:Perko
Perko Dual Battery Selector Switch - Cup Mount [8521DPC]
- $108.10
$146.60- $108.10
- Unit price
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Dual Battery Selector Switch - Cup MountThe Perko Dual Battery Selector Switch allows the addition of an extra battery for accessories. This switch provides the flexibility of selection between batteries or combined operation of both batteries in parallel for starting or charging. It can...- $108.10
$146.60- $108.10
- Unit price
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Vendor:BEP Marine
BEP Battery Distribution Cluster f/Twin Outboard Engines w/Three Battery Banks w/Motorized VSR [80-716-0018-00]
- $727.30
$1,235.19- $727.30
- Unit price
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Twin Outboard Engine, Three Battery Banks w/Motorized VSRThe VSR and Emergency parallel switch are combined into one voltage-sensitive switch, and that switch is able to be remote-operated. The layout allows all cables to be attached from the bottom of the cluster.Offers the same features...- $727.30
$1,235.19- $727.30
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![Victron Smart BatteryProtect - 220AMP - 6-35 VDC - Bluetooth Capable [BPR122022000]](http://www.dbmarinesupplies.com/cdn/shop/files/82919XL_533x.jpg?v=1682759102)
![Victron Smart Solar MPPT 150/85-TR VE.Can [SCC115085411]](http://www.dbmarinesupplies.com/cdn/shop/files/96474XL_533x.jpg?v=1682825089)
![Victron SmartShunt 2000AMP/50MV Bluetooth Smart Battery Shunt [SHU050220050]](http://www.dbmarinesupplies.com/cdn/shop/files/83966XL_533x.jpg?v=1682763501)
![Victron Smart BMS 12/200 f/Victron LIFEPO4 Batteries 12VDC Only [BMS210055000]](http://www.dbmarinesupplies.com/cdn/shop/files/92597XL_533x.jpg?v=1682802636)
![Victron SmallBMS f/Smart LiFePO4 Batteries w/M8 [BMS400100000]](http://www.dbmarinesupplies.com/cdn/shop/files/92772XL_533x.jpg?v=1682803547)
![Sea-Dog Power Box Battery Switch [422737-3]](http://www.dbmarinesupplies.com/cdn/shop/files/100302XL_533x.jpg?v=1691184585)
![Victron VE.Bus Smart Dongle [ASS030537010]](http://www.dbmarinesupplies.com/cdn/shop/files/82930XL_533x.jpg?v=1682759209)