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Best Battery Isolator

Dual Battery Isolator Kit 250 Amp Universal 12V/24V Voltage Sensitive Relay VSR Smart Battery Isolator for Marine Car Truck RV ATV

  • Smart Battery Isolator: The dual battery isolator ensures that the main battery is always charged and ready to start the vehicle. It's like your vehicle has two separate power sources for each battery while only having one alternator.
  • Automatically connection voltage : 13.5V-16V(12V working voltage).
  • 27V-32V (24V working voltage). The battery isolator will disconnect immediately if it is below 12.5 V. There is a 5 second delay when connecting or disconnecting automatically.
  • Applicable to Lithium Batteries: The dual battery isolator adds a lithium battery connection cable, so it can be applied to vehicles with lithium batteries to maintain the stable performance of the car battery. This product has 4 fixing holes for easy installation.
  • Unrestrained Start Engine: Current: 250 Amps.
  • Voltage: 12/24V (Universal). LCD display: real time monitoring of 2 batteries voltage. After installing this smart battery isolator, there is no need to worry that the engine cannot be started when the battery is dead, just press the emergency button and turn on the auxiliary battery to start quickly.
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12V 140 Amp Dual Battery Smart Isolator & ATV UTV Wiring Kit by KeyLine Chargers – Voltage Sensitive Relay – VSR

  • Forget the traditional diode relays and so-called “solid state” devices that can rob you of almost 2 amps of output power! The Keyline dual battery ATV/UTV Isolator is the only SMART unit designed with cutting edge programming to deliver optimum performance – with ZERO sacrifice. This compact battery isolator was built ultra-small (2.6″ x 2.6″ x 2″) to fit almost anywhere! A perfect fit under the hood or in your offroad rig to get close to your dual battery setup..
  • VOLTAGE SENSITIVE RELAY: The KeyLine Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems in your ATV/UTV vehicle. Voltage 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 start your vehicle. It’s like having two separate power sources for each battery while only having one alternator!.
  • RUGGED DURABILITY: Unlike other chargers on the market today, the KeyLine Automatic 140 Amp Dual Battery Isolator is IP65 Certified. This International Protection rating means that your KeyLine isolator is safe for use even for your off-road needs in dusty, wet and unexpected extreme weather environments..
  • WHAT YOU GET: 140 Amp Smart Battery Isolator.
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Mr. Gasket 6279 Truck Mounted Battery Installation Kit

  • RUGGED DURABILITY -This dual battery isolator kit is all you need to charge a dual battery system. It features a voltage sensitive chip ensuring your primary battery is always ready for your vehicle to run. This dual battery isolator is also built to withstand extreme weather environments, vibration and is water resistant..
  • EASY TO INSTALL - No alternator or ignition connection needed,You don't need any additional components to complete installation as everything is included in the kit, including leads, connectors, screws, zip ties, and more..
  • VOLTAGE SENSITIVE RELAY - The Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage 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 start your vehicle. It's like having two separate power sources for each battery while only having one alternator!.
  • FITS A WIDE VARIETY OF VEHICLES - This Dual Battery Isolator Kit with Printed Installation Instruction Manual Gives You the Power for Your Recreation Without Needing to Worry About Getting Home After.12V, 140A, 13.3V cut-in voltage, 12.8V Cut-out Voltage, Suitable for 12V 4WD, Marine, Truck, Caravan & Camping Applications..
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DNA Motoring LEPOW-010 Aluminum Battery Box Relocation Kit 13.5\W x 9.5\D x 10\H

  • 【Easy installation and waterproof】 No need for alternator or ignition connection. After installation, it can still be used normally even if it is affected by vibration, various bad weather and other factors. At the same time, the isolator supports waterproof function, and the waterproof grade is IP67. (Only suitable for lead-acid battery to lead-acid battery or lithium battery to lithium battery).
  • 【Manual Modes】 Press and hold the "Power" button for 3 seconds, the upper blue (LED) indicator light is on, and the manual mode is turned on. In this mode, click the "Power" button to turn on/off the isolator. Click the "power" button, the lower red (LED) indicator light is on, and the isolator is turned on.
  • click the "power" button again, the lower red (LED) indicator light is off, and the isolator closure..
  • 【Automatic Mode】Long press the "Power" button for 3 seconds, the upper blue (LED) indicator light goes out, and the automatic mode is turned on. In automatic mode, the voltage-sensitive relay (VSR) cuts in at 13.3 volts, and the lower red (LED) indicator lights up. The voltage-sensitive relay (VSR) is cut off at 12.8 volts, and the lower red (LED) indicator light turns off.
  • 【LED SCREEN REAL-TIME VOLTAGE DISPLAY】 The surface of the isolator....
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Wztepeng 500A 12V Mobile Audio Relay Battery Isolator 500Amp 12Volt Relay

  • Battery Isolator:Battery isolators are suitable for applications that need to isolate multiple batteries, such as mobile audio, marine, powered sports, etc. It is used to isolate batteries that power AV, navigation, etc. It allows the second battery to be fully dedicated to the sound system and does not create a voltage drop like common isolators tend to do. The isolator will draw less than 1 amp when your vehicle is powered on..
  • Extends battery life:its a must for daily driver systems,This 500 amp continuous duty relay does not have the voltage drop that a solid state battery isolator has and does a much better job of charging auxiliary batteries through..
  • Feature:Made of high-quality materials, excellent performance and durable.Easy to install and start up immediately..
  • Package Include:1 * 500 Amp 12V Mobile Audio Relay Battery Isolator.
  • Warranty: For any reason, if you are not satisfied with your purchase, please contact us directly. We offer Half a year warranty, 100% satisfaction guarantee..
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Taylor Cable 48020 Single Trunk Mount Battery Relocator Kit

  • Easy to Install: No alternator or ignition connection needed,You don't need any additional components to complete installation as everything is included in the kit, including leads, connectors, screws, zip ties, and more..
  • Voltage Sensitive Relay: DEWINNER Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage 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 start your vehicle. It's like having two separate power sources for each battery while only having one alternator!.
  • Fits a Wide Variety of Vehicles: Like Having Two Separate Power Sources,The Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged and Your Vehicle Always Ready to Go and Start When You Want It. Suitable for 12V 4WD, marine, truck, caravan & camping applications.
  • What You Get: 140 Amp Voltage Display Battery Isolator.
  • 2×positive brass marine battery terminals.
  • 1× negative brass marine battery terminal.
  • 3×copper crimp lugs &2× Red heat shrink.
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NVX 500 Amp Mobile Audio Relay Battery Isolator

  • AMP BATTERY ISOLATOR. Great for isolating the second battery to be dedicated to your sound system.
  • UNCONVENTIONAL ISOLATOR. Doesn't create a voltage drop to your second battery unlike common isolators do.
  • POWER HANDLING. Continuous power handling of 500 amps at 12V and surge power handling of 700 amps.
  • PRIMARY BATTERY SAVER. Lengthens the life of the primary battery when your vehicle engine is off.
  • ELIMINATES BATTERY DRAIN. It helps eliminate multiple battery drain as it stops battery bank from getting power from each one.
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Battery Cutoff Switch Top Post Battery Disconnect Switch Rustproof Safe Brass Stable Current Good Electrical Conductivity Battery Terminal Link Quick Switch for 6V 12V Car RV ATV

  • Wide Application: This battery terminal cutoff switch has wide range of uses, and is compatible with 6V 12V cars, vans, large trucks, pickups, buses, etc..
  • Strong Function: The battery terminal isolator switch is used for battery to isolate and secure the electrical system, and can eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely..
  • Good Electrical Conductivity: The battery terminal isolator switch can be installed on the negative terminal of the battery, which can stable current, and protect the battery, and prevent leakage..
  • Brass Material: This top post battery disconnect switch is made of brass material, which is rust resistant, good electrical conductivity, durable and safe to use..
  • High Reliability: The battery terminal isolator switch is professionally manufactured, and battery terminal link quick switch has high performance, strong reliability, making sure use..
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Voltage Sensitive Relay,Zhushan 12v 140amp Voltage Sensitive Relay Dual Intelligent Battery Isolator Used for Digital Display of Rv Yacht Steam Boat Intelligent Dual Battery Isolator

  • 【Unique Design】This compact battery isolator features an ultra-small (2.6" x 2.6" x 2") design and can be installed almost anywhere! Designed for dual battery systems, fits most 12V/24V charging systems, auto-senses main battery the voltage level.
  • 【Application】VSR battery Isolatoris suitable for 12V 4WD, Truck, Marine,Caravan,Boat,SUV, RV, ATV, UTV etc.Heavy duty silicone seal with reinforced housing inside is certified for off-road, waterproof, shockproof, dustproof, and safe to use in any condition.
  • 【Smart Battery Isolator】 This 12 volt 140 amp dual battery isolator cuts in at 13.3 volts and out at 12.8 volts to ensure your main battery is charged without worrying about getting stuck on the road with a dead battery.
  • 【Package Includes】1x Smart Battery lsolator,3x SC16-8 Copper crimp lugs,2x Red heat shrink,1x Black heat shrink,1x lnsulated blue ring terminal,4x Self tapping screw,3x M6 nut,4x M6 spring washer.
  • 【Note】This voltage sensitive relay is designed for two battery systems (for lead acid batteries, not for lithium battery ).
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Battery Disconnect Switch, 12V-48V Battery Cutoff Switch Master for Marine Boat RV ATV UTV Camper Trailer Vehicles Power Isolator On-Off Kill Switch, 2 Pack

  • Universal battery isolator switch: this battery kill switch is universal applied for RV, marine, car, boat, travel trailer, truck, ATV, UTV battery and other 12 - 60 volt devices, which makes it an effortless job for turning the battery on and off.
  • Simple operation: this RV battery disconnect switch is easy to install.
  • With ON/ OFF 2 positions in clear color labels, ON (green) represents the closed circuit and OFF (red) represents the cut-off circuit.
  • Heavy duty isolator switch: this battery master switch is made of reliable ABS plastic housing.
  • The rear cover insulates terminals against any short of circuits.
  • Each battery shut off switch comes with 4 stainless steel mounting screws and caps to help fix the switch tightly.
  • 4 Removable side plates provide access for battery cables.
  • Safe and efficient: this boat battery switch comes with CE certified, providing a reliable way to shut down electrical power during maintenance and protect the battery from excessive drain when vehicle or boat is not in use.
  • Package include: you will get 2 pieces of battery disconnect switch masters, and 8 pairs of mounting bolts.
  • Safe to help you disconnect the battery when vehicle or boat is not in use, reducing any power draw from the battery.
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DB Electrical Alternator 626-01001 Compatible With/Replacement For 90 Amp Dual Multi 2 Two Battery Isolator Marine, RV, EMS Vehicles, Fire Trucks/Negative Ground, 6-50 DC Volts Northwest Reg. MBG90

  • Spec: Unit Type: BATTERY ISOLATOR, Brief: NEGATIVE GROUND2-BATTERY SYSTEM2 BATTERY STUDS1 ALTERNATOR STUDNO EXCITATION STUD90A MAX OUTPUT.
  • Replaces OEM Numbers: ARROWHEAD: 626-01001, J & N: 626-01001, NORTHWEST REG.: MBG90.
  • 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.
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Smof Ground Loop Noise Isolator for Car Audio/Home Stereo System (Eliminate The Buzzing Noise Completely) with 3.5mm Audio Cable, Black

  • 【GROUND LOOP NOISE ISOLATOR】 Eliminates groud loop interference that may occur when the audio source is connected to the playback device. Plugged this audio noise filter up and it instantly took the buzz/hum/static out of your car audio system/radio/home stereo/speakers. Give back the clean and clear music to you..
  • 【3.5MM CABLE CONNECTION】 Smof noise isolator works with any device that has a 3.5mm jack including smartphones, pc, laptop, tablets, mp3 player, or other speakers..
  • 【EXTREMELY SIMPLE OPERATION】 Plugged this ground loop isolator directly into the cars/speakers AUX port, then the aux cable into the audio source. You will see the change was instant! Completely solved the noise problem! This noise filter does not require charging and has no built-in battery. Extremely simple operation..
  • 【PORTABLE SIZE】 In order not to take up your extra space,and meet your portable needs, Smof ground loop isolator 3.5mm is designed with ultra-small and lightweight size (2.36 * 0.78 * 0.78 IN, 0.081lb) its diameter is only half of 25 cents..
  • 【PACKAGE CONTENTS】 Smof G01 audio isolation transformer, 1*3.5mm Audio Cable, User Manual, 24-Month Product Replacement Warranty and 24 hour Customers Service..
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Spartan Power Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR for Vans, Trucks, RV's, Motorhomes, ATV, UTV, Boats, Off Road Vehicles

  • NOW ON AMAZON - EASY TO INSTALL: Designed for dual battery systems or second battery bank in your van, truck, RV, UTV, off-road vehicles, marine boats, etc..
  • VSR – VOLTAGE SENSITIVE RELAY: Automatic 140 Amp Dual Battery Isolator enables you to charge two battery systems from one alternator at the same time. A Voltage Sensitive Relay (VSR) cuts in at 13.3 volts and cuts out at 12.8 volts..
  • VANLIFE? Now you can safely add additional batteries to help support your accessories such as power inverters, MPPT charge controllers, solar panels, refrigerators, audio, lights, pumps, winches, etc..
  • IP65 Protected: IP65 enclosure offers complete protection from dust, oil, and other non-corrosive material. Waterproof protection up to water projected by a nozzle against enclosure from any direction..
  • 3 YEAR WARRANTY: Every Spartan Power 12V 140 Amp Dual Battery Isolator is backed by a 3 year warranty. Have a question? We are an American company located in Reno, Nevada. Our expert technicians will be glad to answer any question that you may have!.
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