Collection: Battery Management
Reliable power starts with a well-managed battery system.
Explore marine battery management solutions designed to help boaters monitor, charge, protect and control onboard battery systems. From everyday cruising to extended time on the water, dependable battery management helps keep essential equipment powered and ready when you need it.
Shop marine battery chargers, battery monitors, battery switches, isolators, relays, charge controllers, battery accessories and power-management components for maintaining and upgrading your vessel's electrical system.
Whether you're replacing an existing component, improving battery monitoring or building a more capable onboard power system, Roam & Harbor makes it easier to find dependable marine electrical equipment for your next project.
Manage your power. Protect your adventure.
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Bluewater
Bluewater OFF/1/2 Battery Switch - Surface Mount - Red [9800-008-11]
Regular price $43.54 USDSale price $43.54 USD Regular price $0.00 USDUnit price / perOFF/1/2 Battery Switch - Surface Mount - RedThis 1/2/Off switch offers seamless selection between two power sources, with an Off position for isolation. It’s a reliable...
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Bluewater
Bluewater Off/On Combine Battery Switch w/o Base - Surface Mount - Red [9800-011-11]
Regular price $30.22 USDSale price $30.22 USD Regular price $0.00 USDUnit price / perOff/On Combine Battery Switch without Base - Surface Mount - RedThe Dual Circuit Plus switch builds on the standard dual circuit configuration by adding an emergency...
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Bluewater
Bluewater On/Off Switch Battery Switch - Panel Mount - Red [9800-006-10]
Regular price $23.83 USDSale price $23.83 USD Regular price $0.00 USDUnit price / perOn/Off Switch Battery Switch - Panel Mount - RedSimple, reliable, and built for tough environments, this On/Off Battery Switch provides secure control of power to a single circuit....
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Egis Mobile Electric
Egis E-Series 350A Battery Switch Off/On [2403]
Regular price $41.99 USDSale price $41.99 USD Regular price $61.30 USDUnit price / perE-Series 350A Battery Switch Off/OnSealed Against Dust & Water Intrusion - To ensure reliable circuit protection for the life of the electrical system installation.Ignition Protected -...
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Egis Mobile Electric
Egis E-Series 350A Dual Circuit Battery Switch Off/On [2410]
Regular price $67.10 USDSale price $67.10 USD Regular price $0.00 USDUnit price / perE-Series 350A Dual Circuit Battery Switch Off/OnSealed Against Dust & Water Intrusion - To ensure reliable circuit protection for the life of the electrical system installation.Ignition...
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Egis Mobile Electric
Egis M-Series 300A Battery Switch Off/On Key Actuator [2305]
Regular price $24.99 USDSale price $24.99 USD Regular price $35.50 USDUnit price / perM-Series 300A Battery Switch Off/On Key ActuatorSealed Against Dust & Water Intrusion - To ensure reliable circuit protection for the life of the electrical system installation.Ignition...
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Victron Energy
Victron BatteryProtect 48V - 100A [BPR048100400]
Regular price $119.85 USDSale price $119.85 USD Regular price $141.00 USDUnit price / perBatteryProtect 48V - 100AThe BatteryProtect disconnects the battery from nonessential loads before it is completely discharged (which would damage the battery) or before it has insufficient...
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Commodore
Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]
Regular price $42.99 USDSale price $42.99 USD Regular price $49.99 USDUnit price / per4-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...
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