Best Marine Battery Isolator

Peter | 06-10-2024

You will find our hand-picked selection of Best Marine Battery Isolator below. You have a wide variety of choices of brands such as Victron Energy,Mata1,KeyLine Chargers,DB Electrical,Blue Sea Systems available to you as a result of the fact that each one of them has a unique pricing, look, and feel. Continue reading for an in-depth analysis in our Best Marine Battery Isolator buying guide!

Our experts tested a variety of Best Marine Battery Isolator on the market. Right at the top of the list is Victron Energy Best Marine Battery Isolator. Check out some more of our favorites below, and read some valuable insight from our experienced editors.

Editor's Choice
Victron Energy ArgoDiode Battery Isolators 160-2AC (2 Batteries 160 amp)
Victron Energy ArgoDiode Battery Isolators 160-2AC (2 Batteries 160 amp)
Premium Pick
Mata1 Dual Battery Isolator Kit 12V 140Amp IP-67 Waterproof Rating VSR (Voltage Sensitive Relay)
Mata1 Dual Battery Isolator Kit 12V 140Amp IP-67 Waterproof Rating VSR (Voltage Sensitive Relay)
Budget Pick
Dual Battery Isolator Kit, 140Amp Battery Isolator 12v Kit, Battery Disconnect Switch 12V | Cars,
Dual Battery Isolator Kit, 140Amp Battery Isolator 12v Kit, Battery Disconnect Switch 12V | Cars,

Top 10 Best Marine Battery Isolator

We researched and compared the top products in the Best Marine Battery Isolator category to provide you with these recommendations.

1. Victron Energy ArgoDiode Battery Isolators 160-2AC (2 Batteries 160 amp)

Victron Energy ArgoDiode Battery Isolators 160-2AC (2 Batteries 160 amp)
9.8

Victron Energy

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  • Victron Energy ArgoDiode battery isolators 160-2AC allow simultaneous charging of two batteries from one alternator
  • Alternator energize input: Victron Energy new AC diode isolators feature a special current limited energize input that will power the B+ when the engine run/stop switch is closed
  • Diode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries together. Discharging the accessory battery, for example, will not result in also discharging the starter battery
  • Victron Energy Argo Battery Isolators feature a low voltage drop thanks to the use of Schottky diodes
  • All models are fitted with a compensation diode that can be used to slightly increase the output voltage of the alternator, this compensates for the voltage drop over the diodes in the isolator

2. Mata1 Dual Battery Isolator Kit 12V 140Amp IP-67 Waterproof Rating VSR (Voltage Sensitive Relay)

  • RELIABLE POWER SOURCE - Get a reliable power source for all on-road travels and off-road expeditions with a smart dual battery isolator; Keep your main battery charged and engine running to ensure your automobile never run out of power in remote areas again
  • UNIVERSAL COMPATIBILITY - Power up any ground or marine vehicle including ATVs, boats, cars, mini-vans, trucks, RVs, and yachts; Perfect versatile solution for all automotive power needs
  • ALL-WEATHER RESILIENT - Explore any environment with confidence with the IP-67 waterproof rating dual battery isolator; Designed to perform well and stay resilient in even the toughest weather conditions and terrains
  • HEAVY-DUTY - Manufactured using premium-grade polyamide 66 and copper PVC; Mata1 endeavours to provide you a robust device that can withstand the test of time and provide you lasting performance
  • EASY INSTALLATION w/ COMPLETE KIT - Compact design (2.7 x 2.7 x 2) that fits easily in your automobiles barely taking any space; Enjoy hassle-free installation w/ a complete isolator kit including cables, lugs, terminals, and instructions

3. Dual Battery Isolator Kit, 140Amp Battery Isolator 12v Kit, Battery Disconnect Switch 12V | Cars,

Dual Battery Isolator Kit, 140Amp Battery Isolator 12v Kit, Battery Disconnect Switch 12V | Cars,
9.1

Keyline Chargers

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  • DUAL BATTERY ISOLATOR 12V KIT Measuring only 2.6" x 2.6" x 2", it's the perfect dual batteries isolation kit for under the hood or Battery Relocation Kit. Say goodbye to power-robbing traditional battery isolator diodes, solenoids, or battery disconnect switch 12v with our Battery Isolator 12V that delivers optimal performance without sacrificing power.
  • DUAL BATTERY KIT by Keyline Charger is a Voltage Sensitive Relay that charges two battery systems. It ensures that the primary battery is always charged and ready to start the vehicle by cutting in at 13.3 volts and cutting out at 12.8 volts. It's like having two power sources with only one alternator.
  • RUGGED DURABILITY: The ideal choice for those who require a reliable marine battery isolator or a dual battery smart isolator for their car audio battery charger needs. The KeyLine Automatic 140 Amp Dual Battery Isolator is a durable product that can withstand extreme weather conditions and vibrations. Its IP65 certification guarantees its safety for off-road use, even in dusty and wet environments.
  • WHAT YOU GET: (1) 140 Amp Voltage Sensitive Relay (VSR); (1) 20 ft red battery cable; (1) 2ft black ground battery cable; (2) positive brass marine type battery terminals; (1) negative brass marine type battery terminal; tinned copper lugs & heat shrink; cable ties; easy-to-follow instructions. Easy-to-follow directions for the most novice DIYer. Power wire in, power wire out. What could be easier?
  • BUY WITH CONFIDENCE: Every 140 Amp Dual Battery Isolator is backed by an industry leading 12-month warranty. If you are not 100% satisfied with your purchase, simply take advantage of the No Questions Asked, 30-Day Money Back Guarantee!!

4. DB Electrical BSL0003 160 Amp Dual Multi Two Battery Isolator Stero Systems Marine EMS Vehicles,

DB Electrical BSL0003 160 Amp Dual Multi Two Battery Isolator Stero Systems Marine EMS Vehicles,
8.9

Db Electrical

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  • Specs: Battery Isolator, Dimension: 212mm L x 112mm W x 64mm H, 3/8-16 Terminals, Brief: Negative Ground, 2-Battery System, 2 Battery Studs, 1 Alternator Stud, No Excitation Stud, 165A Max Output
  • Replaces OEM Numbers: ARROWHEAD: BSL0003, EMP PARTS: 4-6852, J & N: 626-01000, NORTHWEST REG.: MBG160
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
  • 100% New Aftermarket Battery Isolator built to meet OEM specifications

5. Blue Sea Systems 7650 Add-A-Battery Kit

Blue Sea Systems 7650 Add-A-Battery Kit
8.7

Blue Sea Systems

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  • Don't get stranded - Add a Battery
  • Simplifies switching; Isolates engine and house circuits; Combines batteries for emergency starting
  • Shares the charge between two batteries more efficiently than a battery isolator
  • Tin-plated copper studs for maximum conductivity and corrosion resistance

6. Victron Energy Argofet Battery Isolators 200-3AC (3 Batteries 200 amp)

Victron Energy Argofet Battery Isolators 200-3AC (3 Batteries 200 amp)
8.5

Victron Energy

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  • Victron Energy Argofet battery isolators 200-3AC, allow simultaneous charging of three batteries from one alternator, without connecting the batteries together
  • 12/24 Volt auto ranging: Victron Energy Argofet battery isolator will automatically adjust to a 12-Volt or 24-Volt system
  • In contrast with diode battery isolators, FET isolators have virtually no voltage loss. Voltage drop is less than 0.02-Volt at low current and averages 0.1-Volt at higher currents
  • Discharging the accessory battery for example will not result in also discharging the starter battery
  • When using Victron Energy ARGO FET Battery Isolators, there is no need to also increase the output voltage of the alternator. However, care should be taken to keep cable lengths short and of sufficient cross section

7. Dual Battery Isolator 12V 140Amp, Voltage Sensitive Relay VSR, Compatible with RV Marine Car

Dual Battery Isolator 12V 140Amp, Voltage Sensitive Relay VSR, Compatible with RV Marine Car
8.3

Uckasayfy

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  • Wide CompatibilityThis battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV'smarine vehicle, truck, caravan
  • Working VoltageVoltage Sensitive Relay (VSR) cuts in at 13.3 volts and cuts out at 12.8 volts to ensure your primary battery is always charged and ready to run your vehicle
  • FunctionWith the engine running the VSR will engage when the starting battery reaches 13.3 Volts and the LED light will illuminate. This means that both batteries are now linked and the system is working.Once you turn off your vehicle the system will disengage the two batteries as it reaches 12.8 Volts,leaving your main battery safe to start again
  • Important NoteWhen connecting accessories to your second battery ensure they are fused within 0.98FT
  • After-sales ServiceWe have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase

8. VEVOR Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage

  • Dual Battery Isolator: The smart battery isolator cuts in at 13.3 volts and cuts out at 12.8 volts to ensure your primary battery is always charged and ready to start your vehicle. It can charge two batteries simultaneously and isolate them from each other when the vehicle is turned off.
  • Easy to Install: This split charge relay kit comes with complete accessories, allowing you to start installing directly without purchasing additional components. Besides, we have detailed instructions for you to complete the installation easily and flawlessly.
  • Rugged & Durable: Split charge relay is made of a premium plastic material, which is shockproof and dustproof, ensuring maximum strength and durability for long-lasting usage. You will always be prepared and confident to take on any challenge.
  • Superb IP65 Waterproof: Voltage sensitive relay is waterproof up to IP65, which means that your isolator is secure for use even in dusty, wet, and unexpected extreme weather environments. Great for extreme vibration applications as well.
  • Fit Various Vehicles: This isolator kit 12v has a compact size of 2.66" x 2.11" x 2.66", suitable for almost anywhere. Mainly used in off-road vehicles, camper vans, RVs, caravans, 4x4s, leisure vehicles, ships, yachts, marine applications, etc.

9. Victron Energy Argofet Battery Isolators 200-2AC (2 Batteries 200 amp)

Victron Energy Argofet Battery Isolators 200-2AC (2 Batteries 200 amp)
7.9

Victron Energy

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  • Victron Energy Argofet battery isolators 200-2AC, allow simultaneous charging of two batteries from one alternator, without connecting the batteries together
  • 12/24 Volt auto ranging: Victron Energy Argofet battery isolator will automatically adjust to a 12-Volt or 24-Volt system
  • In contrast with diode battery isolators, FET isolators have virtually no voltage loss. Voltage drop is less than 0.02-Volt at low current and averages 0.1-Volt at higher currents
  • Discharging the accessory battery for example will not result in also discharging the starter battery
  • When using Victron Energy ARGO FET Battery Isolators, there is no need to also increase the output voltage of the alternator. However, care should be taken to keep cable lengths short and of sufficient cross section

10. WirthCo 20090 Battery Doctor 75 Amp/100 Amp Battery Isolator , Black

WirthCo 20090 Battery Doctor 75 Amp/100 Amp Battery Isolator , Black
7.7

Wirthco

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  • Water resistant (IP62) - suitable for marine use
  • Priority charging for starting battery. Not suggested for Lithium Batteries
  • Automatically charges auxiliary battery
  • Manual override for starting battery
  • Over current and surge protected for vehicles with electronic systems

Peter

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