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Power Banks, Inverters & Battery Switches

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Blue Sea System Mini LVD Low Voltage Disconnect

Blue Sea System Mini LVD Low Voltage Disconnect

$141.50

 Senses low battery voltage and automatically disconnects devices to save power for starting or to preserve battery life A dead battery is one of the most common reasons for a tow. Don't get stranded with a dead battery. The m-LVD senses low battery voltage and automatically disconnects non-essential devices to save power for starting or to pres...


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Blue Sea Systems Add-A-Battery Kit

Blue Sea Systems Add-A-Battery Kit

$269.50

The Dual Circuit Plus Battery Switch isolates the engine and house circuits, and combines the battery banks for emergency starting. Meets American Boat and Yacht Council (ABYC) requirements for battery switches. The 120A SI ACR automatic charging relay combines batteries for charging and at the same time protects sensitive electronics by tempora...


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Blue Sea Systems ATD Automatic Timer Disconnect

Blue Sea Systems ATD Automatic Timer Disconnect

$215.50

This Blue Sea Power Disconnect module will automatically disconnect electrical devices to preserve battery power. It can be triggered by low voltage, by a preset timer or removal of a 12VDC signal. Time and low voltage options can be turned off to allow for 12VDC signal base disconnect. Can be configured to be used as one of the following batter...


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Blue Sea Systems BatteryLink™ Automatic Charging Relay
Blue Sea Systems Heavy Duty Battery Switch

Blue Sea Systems Heavy Duty Battery Switch

$139.50

Up to 600 Amps continuous rating for large diesel engines. Tin-plated copper studs for maximum conductivity and corrosion resistance Accepts up to 4/0 AWG battery cables, Studs accept 1/2" ring terminals 7/8" stud length accepts multiple cable terminals 1 -piece terminal stud design never loosens over time 1-piece stainless flange nuts, safe &a...


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Blue Sea Systems Manual Battery Switch

Blue Sea Systems Manual Battery Switch

$98.50

350 Amps continuous rating for inboard gasoline or diesel engines. 350 Amp continuous, 600 Amp intermitittent and 1200 Amp cranking Tin-plated copper studs for maximum conductivity and corrosion resistance Accepts up to 4/0 AWG battery cables Studs accept 3/8" (M10) ring terminals 7/8" (22 mm) stud length accepts multiple cable terminals Blue S...


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Blue Sea Systems Mini Add-A-Battery Kit

Blue Sea Systems Mini Add-A-Battery Kit

$196.50

Don't get stranded with a dead battery. Compact, simple way to control the switching with the m-Series Dual Circuit Plus Battery Switch and automatically share a single source of charging between two batteries with the Mini Automatic Charging Relay which manages current from alternators up to 65A found on most outboard and many Inboard engines. ...


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Blue Sea Systems Mini Automatic Charging Relay

Blue Sea Systems Mini Automatic Charging Relay

$122.50

 The Mini Automatic Charging Relay (M-ACR) is designed to manage the charging current from alternators up to 65 Amps found on most outboards and many inboard engines. Start Isolation (SI) protects sensitive electronics by temporarily isolating house loads from the engine circuit during engine cranking, protecting the house circuit from voltage s...


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Blue Sea Systems Mini Battery Switch

Blue Sea Systems Mini Battery Switch

$55.50

300 Amps continuous rating for outboards and small gasoline or diesel engines. Tin-plated copper studs for maximum conductivity and corrosion resistance Studs accept 3⁄8" (M10) ring terminals 7⁄8" stud length Isolating cover with three snap-in side pieces protects rear contacts and allows wire access in any direction Case design allows surface,...


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Blue Sea Systems ML-ACR Automatic Charging Relay

Blue Sea Systems ML-ACR Automatic Charging Relay

$379.50

The ML-ACR (Automatic Charging Relay) and ML-RBS (Remote Battery Switch), when paired, offer complete battery management of large battery banks with the push of a button. In addition to automatically sharing the charge from an engine’s alternator between the start and auxiliary battery, the ML-ACR control switch provides momentary battery combin...


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Blue Sea Systems Remote Battery Switch with Manual Control

Blue Sea Systems Remote Battery Switch with Manual Control

$341.50

Allows remote operation of the battery switch without running heavy and expensive battery cable; place the main switch as close to the battery bank as you like and the supplied Contura switch operates its internal switching. Manual override and “locked off” feature for added safety. Silver alloy contacts with Ignition protected and weatherproof....


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Blue Sea Systems SI-ACR Automatic Charging Relay

Blue Sea Systems SI-ACR Automatic Charging Relay

$172.50

Automatically manages the charging of two battery banks and can be configured for temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics. Rated at 120A continuous and supports high-output alternators. Built in LED light indicates when batteries are combined and blinks when the under voltag...


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