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
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Victron Energy
Victron BlueSolar MPPT Charge Controller - 75V - 15AMP [SCC010015050R]
- $73.99
$87.05- $73.99
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BlueSolar MPPT Charge Controller - 75V - 15AMPFeatures: Ultra-fast Maximum Power Point Tracking (MPPT) Especially in case of a clouded sky, when light intensity is changing continuously, an ultra-fast MPPT controller will improve energy harvest by up to 30% compared to PWM charge controllers...- $73.99
$87.05- $73.99
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Vendor:Perko
Perko Medium Duty Main Battery Disconnect Switch w/Key Lock [9602DP]
- $108.09
$164.97- $108.09
- Unit price
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Medium Duty Main Battery Disconnect SwitchesIgnition ProtectedFor use with 12, 24 and 32 volt marine electrical systemscapacity - rated 250 amps continuous,360 amps intermittent Medium Duty Main Battery Disconnect Switch w/ Key Lock Specifications: AFD: No Lockable: Yes Positions: 1 Continuous Amperage: 250a Box...- $108.09
$164.97- $108.09
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Vendor:BEP Marine
BEP Distribution Cluster f/Single Engine w/Two Battery Banks [714-140A-DVSR]
- $223.22
$362.77- $223.22
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Distribution Cluster for Single Engine with Two Battery BanksThe 714-140A-DVSR uses a dual sensing DVSR (710-140A). This system ensures that you will always have a fully charged reserve battery. When the switch is in position one, battery one becomes the sensing battery for the...- $223.22
$362.77- $223.22
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Vendor:Victron Energy
Victron GX LTE 4G-A Cellular Modem f/GX Devices - North America Only [GSM100200400]
- $280.45
$329.94- $280.45
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GX LTE 4G-A Cellular Modem for GX Devices - North America OnlyThe GX LTE 4G is an accessory for GX devices. It is a cellular modem that supports 2G, 3G, and 4G technologies. It provides mobile internet for the system and a connection to...- $280.45
$329.94- $280.45
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Vendor:Victron Energy
Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 2M [ASS030560200]
- $69.22
$81.43- $69.22
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M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 2MFeatures: 2-meter cable Extends the data cables that run from a 12.8 Volt Lithium-Ion battery to the BMS Please contact your dealer for any returns, repairs or support issues related to this product....- $69.22
$81.43- $69.22
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Vendor:Victron Energy
Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 3M [ASS030560300]
- $75.18
$88.45- $75.18
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M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 3MFeatures: 3-meter cable Extends the data cables that run from a 12.8 Volt Lithium-Ion battery to the BMS Please contact your dealer for any returns, repairs or support issues related to this product....- $75.18
$88.45- $75.18
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Vendor:BEP Marine
BEP Pro Installer 400A EZ-Mount Battery Selector Switch (1-2-Both-Off) [771-S-EZ]
- $89.84
$139.31- $89.84
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Pro Installer 400A EZ-Mount Battery Selector Switch (1-2-Both-Off)As easy as 1, 2, 3, these revolutionary battery switches allow you to wire from the front. Never has installation been so easy and cabling so accessible. With their shared interconnection height, EZ-Mount battery switches "cluster" directly...- $89.84
$139.31- $89.84
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Vendor:BEP Marine
BEP Panel-Mounted Battery Mini Selector Switch [701S-PM]
- $57.55
$88.61- $57.55
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Panel-Mounted Battery Mini Selector SwitchPanel-mounted switches are designed specifically for panel mount applications. This range gives a very compact, versatile solution. Compact, lightweight Countersunk recesses for surface mount application Standard 2-1/16" (52 mm) hole cut out (same as standard gauge hole) Inside: captive inserts...- $57.55
$88.61- $57.55
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Vendor:ARCO Marine
ARCO Marine 1000A/50mV Shunt [ST1000]
- $108.04
$123.48- $108.04
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1000A/50mV ShuntShunt 1000 Amp 50 mV - 1000A/50mV- $108.04
$123.48- $108.04
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Vendor:Victron Energy
Victron Lynx Smart BMS 500 M10 Battery Management System [LYN034160210]
- $1,241.14
$1,460.17- $1,241.14
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Lynx Smart BMS 500 M10 Battery Management SystemThe Lynx Smart BMS is a dedicated Battery Management System for Victron Lithium Smart Batteries. There are multiple BMS-es available for our Smart Lithium series of batteries, and the Lynx Smart is the most feature-rich and complete...- $1,241.14
$1,460.17- $1,241.14
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Vendor:Victron Energy
Victron SmartSolar MPPT 450/100-MC4 VE.Can VE.Direct 450/100 [SCC145110510]
- $1,711.35
$2,013.35- $1,711.35
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SmartSolar MPPT 450/100-MC4 VE.Can VE.Direct 450/100The SmartSolar MPPT RS solar charge controllers are Victron's solution for systems with large series connected PV arrays charging 48 V DC battery banks. This product is perfect for large off-grid, and grid-connected battery systems.In a 5.76kW and 11.52kW...- $1,711.35
$2,013.35- $1,711.35
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Vendor:Victron Energy
Victron Argo Diode Battery Combiner - 80AMP - 2 Batteries [BCD000802000]
- $63.25
$74.41- $63.25
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Argo Diode Battery Combiner - 80AMP - 2 BatteriesDiode Battery Combiners are used to guarantee continuous DC power to mission critical equipment, such as an electronic engine control system. With a Diode Battery Combiner two or more DC power sources can be used in...- $63.25
$74.41- $63.25
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Vendor:Perko
Perko Spare Actuator Key f/8521 Battery Selector Switch [8521DP0KEY]
- $8.41
$10.56- $8.41
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Spare Actuator Key f/8521 Battery Selector Switch- $8.41
$10.56- $8.41
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Vendor:Commodore
Commodore On/Off Battery Disconnect Switch [CM-202S]
- $32.28
$42.11- $32.28
- Unit price
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On/Off Battery Disconnect SwitchThe Commodore On/Off Battery Disconnect Switch provides a reliable, durable, and safe solution for managing your marine or RV electrical systems. With a 300A continuous rating and a 900A cranking rating, this battery switch is designed to handle high-power applications, ensuring...- $32.28
$42.11- $32.28
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Vendor:Commodore
Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]
- $44.91
$70.19- $44.91
- Unit price
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4-Position Compact Dual Battery Selector SwitchThe 4-Position Battery Selector Switch is the ultimate solution for managing multiple battery banks in marine or RV electrical systems. Designed for 12V to 32V applications, this switch allows you to isolate battery banks, combine them, or direct power to all...- $44.91
$70.19- $44.91
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Vendor:Perko
Perko 8503DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect w/o Key Lock [8503DP]
- $113.71
$173.68- $113.71
- Unit price
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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...- $113.71
$173.68- $113.71
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Vendor:Victron Energy
Victron Orion-TR Smart DC-DC 12/24-15 15A (360W) Isolated Charger or Power Supply [ORI122436120]
- $342.51
$402.95- $342.51
- Unit price
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Orion-TR Smart 12/24-15A (360W) 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...- $342.51
$402.95- $342.51
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Vendor:BEP Marine
BEP Remote On/Off Key Switch f/701-MD & 720-MDO Battery Switches [80-724-0006-00]
- $127.75
$199.96- $127.75
- Unit price
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Remote On/Off Key Switch f/701-MD & 720-MDO Battery SwitchesThe remote On/Off key switch is used for the remote operation of the 701-MD and 720-MDO battery switches. It can be mounted stand alone or within the Contour Connect panel range.WARNING: This product can expose you...- $127.75
$199.96- $127.75
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Vendor:Victron Energy
Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 1M [ASS030560100]
- $66.83
$78.62- $66.83
- Unit price
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M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 1MFeatures: 1-meter cable Extends the data cables that run from a 12.8 Volt Lithium-Ion battery to the BMS Please contact your dealer for any returns, repairs or support issues related to this product....- $66.83
$78.62- $66.83
- Unit price
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Vendor:Victron Energy
Victron BatteryProtect BP-65 - 65AMP - 6-35 VDC [BPR000065400]
- $51.32
$60.37- $51.32
- Unit price
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BatteryProtect BP-65 - 65AMP - 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...- $51.32
$60.37- $51.32
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![BEP Pro Installer 400A EZ-Mount Battery Selector Switch (1-2-Both-Off) [771-S-EZ]](http://www.dbmarinesupplies.com/cdn/shop/files/58589XL_533x.jpg?v=1682690249)
![Victron Lynx Smart BMS 500 M10 Battery Management System [LYN034160210]](http://www.dbmarinesupplies.com/cdn/shop/files/108014XL_533x.jpg?v=1740586482)
![Victron Argo Diode Battery Combiner - 80AMP - 2 Batteries [BCD000802000]](http://www.dbmarinesupplies.com/cdn/shop/files/82903XL_533x.jpg?v=1682758952)
![Commodore On/Off Battery Disconnect Switch [CM-202S]](http://www.dbmarinesupplies.com/cdn/shop/files/106828XL_533x.jpg?v=1736403397)
![Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]](http://www.dbmarinesupplies.com/cdn/shop/files/106829XL_533x.jpg?v=1736306462)
![Victron BatteryProtect BP-65 - 65AMP - 6-35 VDC [BPR000065400]](http://www.dbmarinesupplies.com/cdn/shop/files/82905XL_533x.jpg?v=1682758971)