Battery Isolators Voltage Sensitive Relays

Steveston Marine & Hardware has Isolators and Relays for you! Isolators allow your alternator to help with charging your primary battery while preventing other loads in your charging system from draining your primary battery. We have Isolators from Promariner, Surepower, Cole Hersee, and more! You can find these products in one of our stores located in Vancouver, Richmond, or Langley!

Promariner Galvanic Isolator 30A. Fs30

Promariner Galvanic Isolator 30A. Fs30

The ProSafe FS Series of FailSafe 30 and 60 Amp Galvanic Isolators will interrupt galvanic current..

$496.40

Promariner Galvanic Isolator 50/60A.Fs60

Promariner Galvanic Isolator 50/60A.Fs60

Promariner Galvanic Isolator 50/60A.Fs60..

$934.99

Victron Argodiode Battery Isolator 100-3AC 3 Batteries 100A - ARG100301000

Victron Argodiode Battery Isolator 100-3AC 3 Batteries 100A - ARG100301000

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$92.45 $137.99

Victron Argodiode Battery Isolator 120-2AC 2 Batteries 120A - ARG120201020

Victron Argodiode Battery Isolator 120-2AC 2 Batteries 120A - ARG120201020

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$101.83 $151.99

Victron Argodiode Battery Isolator 140-3AC 3 Batteries 140A - ARG140301020

Victron Argodiode Battery Isolator 140-3AC 3 Batteries 140A - ARG140301020

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$129.30 $192.99

Victron Argodiode Battery Isolator 160-2AC 2 Batteries 160A - ARG160201020

Victron Argodiode Battery Isolator 160-2AC 2 Batteries 160A - ARG160201020

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$127.29 $189.99

Victron Argodiode Battery Isolator 180-3AC 3 Batteries 180A - ARG180301020

Victron Argodiode Battery Isolator 180-3AC 3 Batteries 180A - ARG180301020

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$148.06 $220.99

Victron Argodiode Battery Isolator 80-2AC 2 Batteries 80A - ARG080201000

Victron Argodiode Battery Isolator 80-2AC 2 Batteries 80A - ARG080201000

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$69.67 $103.99

Victron Argodiode Battery Isolator 80-2SC 2 Batteries 80A - ARG080202000

Victron Argodiode Battery Isolator 80-2SC 2 Batteries 80A - ARG080202000

Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternat..

$54.26 $80.99

Victron Argofet Battery Isolator 100-2 Two Batteries 100A - No Voltage Loss - ARG100201020

Victron Argofet Battery Isolator 100-2 Two Batteries 100A - No Voltage Loss - ARG100201020

Similar to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or mo..

$138.68 $206.99

Victron Argofet Battery Isolator 100-3 Three Batteries 100A - No Voltage Loss - ARG100301020

Victron Argofet Battery Isolator 100-3 Three Batteries 100A - No Voltage Loss - ARG100301020

Similar to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or mo..

$155.43 $231.99

Victron Argofet Battery Isolator 200-2 Two Batteries 200A - No Voltage Loss - ARG200201020

Victron Argofet Battery Isolator 200-2 Two Batteries 200A - No Voltage Loss - ARG200201020

Similar to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or mo..

$167.49 $249.99

Victron Argofet Battery Isolator 200-3 Three Batteries 200A - Low Voltage Loss - ARG200301020

Victron Argofet Battery Isolator 200-3 Three Batteries 200A - Low Voltage Loss - ARG200301020

Similar to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or mo..

$194.29 $289.99

Blue Sea Systems Auto Charging Relay

Blue Sea Systems Auto Charging Relay

(Start Isolation)Automatically manages the charging of two battery banks and isolates batteries duri..

$206.99

Newmar Battery Integrator

Newmar Battery Integrator

Price Per: 1 EA ..

$517.35

Newmar Battery Integrator

Newmar Battery Integrator

Price Per: 1 EA ..

$567.55

Newmar Battery Integrator

Newmar Battery Integrator

Price Per: 1 EA ..

$921.19

Surepower 120Am 1-Alt 2-Batt Isolator

Surepower 120Am 1-Alt 2-Batt Isolator

Price Per: 1 EA ..

$247.94

Surepower 120Amp 1-Alt 3-Batt Isolator

Surepower 120Amp 1-Alt 3-Batt Isolator

Price Per: 1 EA ..

$338.04

Surepower 120Amp 2-Inp.2-Bat.Isolator

Surepower 120Amp 2-Inp.2-Bat.Isolator

Price Per: 1 EA ..

$509.22

Surepower 120Amp 2-Inp.3-Bat.Isolator

Surepower 120Amp 2-Inp.3-Bat.Isolator

Price Per: 1 EA ..

$618.55

Surepower 120Amp Circuit Breaker

Surepower 120Amp Circuit Breaker

Price Per: 1 EA ..

$102.22

Surepower 12V 100A Continuous Duty

Surepower 12V 100A Continuous Duty

Price Per: 1 EA ..

$125.45

Surepower 150Amp Circuit Breaker

Surepower 150Amp Circuit Breaker

Price Per: 1 EA ..

$102.22

Surepower 200Amp 1-Alt 2-Batt.Isolator

Surepower 200Amp 1-Alt 2-Batt.Isolator

Price Per: 1 EA ..

$328.54

Surepower 240A 1-Alt 3-Battery Isolator

Surepower 240A 1-Alt 3-Battery Isolator

Price Per: 1 EA ..

$714.89

Surepower 24V-12V Converter

Surepower 24V-12V Converter

Price Per: 1 EA ..

$1,935.70

Surepower 40Amp 24/12V Equalizer

Surepower 40Amp 24/12V Equalizer

Price Per: 1 EA ..

$1,489.09

Surepower 70Amp 1-Alt 2-Batt Isolator

Surepower 70Amp 1-Alt 2-Batt Isolator

Price Per: 1 EA ..

$250.92

Surepower 70Amp 2-Alt.2-Bat.Isolator

Surepower 70Amp 2-Alt.2-Bat.Isolator

Price Per: 1 EA ..

$301.22

Surepower 70Amp 2-Alt.3-Bat.Isolator

Surepower 70Amp 2-Alt.3-Bat.Isolator

Price Per: 1 EA ..

$360.60

Surepower 70Amp 3-Batt Isolator

Surepower 70Amp 3-Batt Isolator

Price Per: 1 EA ..

$393.17

Surepower Battery Equalizer 60Amp

Surepower Battery Equalizer 60Amp

Price Per: 1 EA ..

$1,284.46

Surepower Battery Separator 12V (1315Ab)

Surepower Battery Separator 12V (1315Ab)

Price Per: 1 EA ..

$223.85

Surepower Battery Separator 12V (Bulk)

Surepower Battery Separator 12V (Bulk)

Price Per: 1 EA ..

$216.43

Surepower Cable Caps 6-12 Gauge Each

Surepower Cable Caps 6-12 Gauge Each

Price Per: 1 EA ..

$7.80

Surepower Isolator

Surepower Isolator

Price Per: 1 EA ..

$247.59

Surepower Push Butn Brker 150A Kxsdlm150

Surepower Push Butn Brker 150A Kxsdlm150

Price Per: 1 EA ..

$144.04

Surepower Push Button Breaker 80A

Surepower Push Button Breaker 80A

Price Per: 1 EA ..

$144.04

Surepower Push Buttton Breaker 120A

Surepower Push Buttton Breaker 120A

Price Per: 1 EA ..

$144.04

Cole Hersee Battery Isolator 90Amp

Cole Hersee Battery Isolator 90Amp

(Special Order Item) Price Per: 1 EA ..

$116.98

Comar 100Amp Auto Shore

Comar 100Amp Auto Shore

(Special Order Item) Price Per: 1 EA ..

$10,155.00

Comar 100Amp Auto Shore

Comar 100Amp Auto Shore

(Special Order Item) Price Per: 1 EA ..

$10,620.00

Comar 50Amp Auto Shore

Comar 50Amp Auto Shore

(Special Order Item) Price Per: 1 EA ..

$7,470.00

Comar 50Amp Auto Shore 50/60Hz

Comar 50Amp Auto Shore 50/60Hz

(Special Order Item) Price Per: 1 EA ..

$7,800.00

Newmar Battery Isolator

Newmar Battery Isolator

(Special Order Item) Price Per: 1 EA ..

$462.77

Newmar Battery Isolator

Newmar Battery Isolator

(Special Order Item) Price Per: 1 EA ..

$600.30

Newmar Battery Isolator

Newmar Battery Isolator

(Special Order Item) Price Per: 1 EA ..

$1,185.32

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