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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ARCO Marine
ARCO Marine 1000A/50mV Shunt [ST1000]
Regular price $76.95 USDSale price $76.95 USD Regular price $87.95 USDUnit price / per1000A/50mV ShuntShunt 1000 Amp 50 mV - 1000A/50mV
No reviews -
Sea-Dog
Sea-Dog Rainbow Display Digital Voltmeter - Injection Molded Nylon - 5V-15VDC [421617]
Regular price $34.99 USDSale price $34.99 USD Regular price $36.95 USDUnit price / perRainbow Display Digital Voltmeter - Injection Molded Nylon - 5V-15VDCThe Rainbow Display Digital Voltmeter gives the user quick, visual, color-coded voltage information. Red/orange means the voltage...
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Victron Energy
Victron SmartShunt 300A IP65 Bluetooth Battery Monitor [SHU065130050]
Regular price $85.85 USDSale price $85.85 USD Regular price $101.00 USDUnit price / perSmartShunt 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...
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Victron Energy
Victron SmartSolar MPPT 150/100-MC4 VE-Can [SCC115110511]
Regular price $553.35 USDSale price $553.35 USD Regular price $651.00 USDUnit price / perSmartSolar MPPT 150/100-MC4 VE-CanThe MPPT VE.Can SmartSolar charger uses the latest and fastest technology to convert energy from a solar array into energy that optimally charges...
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Egis Mobile Electric
Egis Programmable Automatic Charging Relay (ACR) 160A, 12V [7610]
Regular price $135.99 USDSale price $135.99 USD Regular price $161.60 USDUnit price / perProgrammable Automatic Charging Relay (ACR) 160A, 12VThis 160A Egis charging relay is automatic and programable. The relay eliminates dead start batteries by sharing charging on either...
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Victron Energy
Victron Lynx Smart BMS 500 NG (M10) [LYN034160310]
Regular price $884.00 USDSale price $884.00 USD Regular price $1,040.00 USDUnit price / perLynx Smart BMS 500 NG (M10)The Lynx Smart BMS NG is a dedicated Battery Management System (BMS) designed specifically for the Victron Lithium NG batteries. These...
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Victron Energy
Victron Lynx Smart BMS 1000 NG (M10) MGMT System [LYN034170310]
Regular price $1,178.10 USDSale price $1,178.10 USD Regular price $1,386.00 USDUnit price / perLynx Smart BMS 1000 NG (M10) MGMT SystemThe Lynx Smart BMS NG is a dedicated Battery Management System (BMS) designed specifically for the Victron Lithium NG...
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Newmar Power
Newmar NP-24 Nav-Pac - 24V [NP-24]
Regular price $878.99 USDSale price $878.99 USD Regular price $960.00 USDUnit price / perNP-24 Nav-Pac - 24VMarine communication and navigation electronics such as programmable data transceivers, GPS, and other microprocessor-controlled devices require clean and steady DC input power. Their...
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