Top 10 Best Battery Isolator 12v

of November 2024
1
Best ChoiceBest Choice
Ampper 12V 140Amp Dual Battery Isolator, Battery Voltage Sensitive Relay (VSR)
Ampper
Ampper
10
Exceptional
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2
Best ValueBest Value
Stinger SGP32 200 AMP Battery Relay Isolator and Relay
STINGER
STINGER
9.9
Exceptional
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3
Dual Battery Isolator Kit 250 Amp Universal 12V/24V Voltage Sensitive Relay VSR
GMURA
GMURA
9.8
Exceptional
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4
Spartan Power Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR
Spartan Power
Spartan Power
9.7
Exceptional
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5
Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect
Ampper
Ampper
9.6
Exceptional
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6
I LITTON Dual Battery Isolator 12V 140 Amp with Voltage Display Smart Battery
Afurkuot
Afurkuot
9.5
Excellent
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7
MaySpare 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic
MaySpare
MaySpare
9.4
Excellent
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8
500 Amp Battery Isolator for Mobile Audio Relay Continuous Battery Isolator,
KanSmart
KanSmart
9.3
Excellent
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9
DB Electrical BSL0003 160 Amp Dual Multi Two Battery Isolator Stero Systems
DB Electrical
DB Electrical
9.2
Excellent
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10
Stinger SGP35 500-AMP Relay and Isolator , Black
STINGER
STINGER
9.1
Excellent
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About Battery Isolator 12v

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Ampper 12V 140Amp Dual Battery Isolator, Battery Voltage Sensitive Relay (VSR) Smart Battery Isolator for Car, Vehicle, RV, ATV, UTV and Boat

Purpose this voltage sensitive relay is design for two battery systems SUITABLE for Acid-Lead batteries, NOT SUITABLE for Lithium batteries, allow to having two separate power sources while charging by one alternator, it's all need to charge and isolate two battery systems.. Primary Battery Protected cuts in at 13.3 volts and cuts out at 12.8 volts. Ensure your primary battery is always charged and ready to start your engine, the secondary will be charged after the primary battery's volts exceed 13.3 volts.. Heavy Duty this voltage sensitive relay is heavy built to suitable for almost anywhere even off-road, which is water resistant, shock resistant, dust proof and withstand unexpected extreme weather environments.. Compatible used for DC 12 V two battery systems isolate and charge, universal used for car, vehicle, RV, ATV, UTV and boat, also two battery electrical equipment.. Easy to use this VSR comes with mounting plate and 4 bolts for install. 100 SATISFACTION no reason for return or change..

Stinger SGP32 200 AMP Battery Relay Isolator and Relay

200 AMP Battery Isolator and Relay. Prevents primary battery discharge. Maximum current transfer. Extends battery life. Universal 12V Applications.

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-16V12V 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 1224V 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. Wide Range of Applications The battery isolator kit has a small design, does not take up space, and is compatible with a variety of vehicles, such as 12V24V trucks, ATVs, UTVs, boats, RVs, vans, off-road vehicles, and campers.

Spartan Power Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR for Vans, Trucks, RVs, Motorhomes, ATV, UTV, Boats, Off Road Vehicles

Stay Prepared The Spartan Power Dual Battery Isolator is a smart battery isolator that helps you stay prepared for any situation It allows you to run two batteries simultaneously, protecting and maintaining the two-battery system while optimizing the charge. Versatile Our VSR Battery Isolator can be used to protect any 12 Volt battery It eliminates the possibility of running the battery out and keeps it fully charged for when you need it most. Simple to Use This Dual Battery Isolator is easy to install and operate Simply connect the two batteries to the isolator and it will efficiently transfer the charge from one battery to another, saving you time and trouble. Safe With the Dual Battery Isolator, you never have to worry about overcharging or shorting out your cars electrical system It is designed to be safe and reliable, keeping your car running smoothly. Giving Power to The People Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, Made in the USA battery cables every day in Reno, Nevada Trusted by professionals, enthusiasts, and DIYers everywhere.

Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Heavy Duty ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of bolts.. Operation OnOff 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.. Compatible used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.. Purpose eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.. Copper terminal stud size 38 10 mm x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch..

I LITTON Dual Battery Isolator 12V 140 Amp with Voltage Display Smart Battery Isolator Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Battery Isolator for Truck ATV UTV Marine RV Boat

Manual State Function Long Press the button for 3 seconds, the BLUE led will be On, and the manual mode is on. Press the button each time, you can complete the circuit connection and disconnection. Circuit switched on the red indicator, voltmeter lights up at the same time. Switched off the red indicator, voltmeter lights off.. Auto State Function Long press the button for 3 button again, the BLUE led will be Off, the Auto mode is on. Voltage exceed 13.3V Circuit will be automatically connected. Voltmeter Indicator ON. Voltmeter lower than 12.7V Circuit will be automatically disconnected. Voltmeter Indicator Off.. Voltage Display This dual battery isolator is constructed with a voltmeter which will display the real-time voltage. If you connect 2 batteries, then the voltmeter will display the battery that has high voltage. The smart battery isolator is universal fit for truck, UTVATV, boat, marine, bus, etc.. Voltage Sensitive Relay Cut-in voltage 13.3V and Cut-out voltage 12.8V. Ensure the main battery is always charged so that you wont worry about the the battery will drain out and stuck on the road. Very convenient and safe to use.. Pressure Protection Input voltage lower than 11V or Input voltage more than 17V Circuit will be automatically disconnected so as to protect the main battery from over discharging. Please buy and use the dual battery isolator with confident because we offer quick and excellent after-sales service and 12 Months Warranty for the products..

MaySpare 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic Charging Relay Dual Smart Battery Isolator

12V, 140A, 13.3V cut-in voltage, 12.8V cut-out voltage, Package Include All the Bits and Pieces Needed for a Complete Installation. Working Voltage Having Voltage Sensitive Chip,Rely Cuts in at 13.3 Volts and Cuts out at 12.8 Volts to Ensuring Primary Battery is Always Ready for Vehicle to Run.. FuctionLike 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.. Compatibility This battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV'smarine vehicle, truck, caravan. LIFETIME WARRANTY 100 High Quality and Enjoy Full Life Warranty, Free Exchange.

500 Amp Battery Isolator for Mobile Audio Relay Continuous Battery Isolator, 12v Battery Disconnect Relay 500A Relay and Isolator

500 AMP BATTERY ISOLATOR - Perfect for any application with multiple batteries that need to be isolated including Marine, Mobile Audio, Off-Road, Power Sports, etc. battery disconnect relay is used to isolate the second battery which powers audio, visual navigation, or other equipment.. POWERFUL FUNCTION - 12v battery isolator can continuously power handling 500 amps at 12V and handling of 700 amps at surge power Doesn't create a voltage drop to your second battery unlike common isolators do. battery isolator 500 amp with a maximum current transfer, power on demand.. ELIMINATES BATTERY DRAIN - Normally, when two car batteries are connected in parallel, they are easy to charge and discharge each other The relay battery isolator stops the battery bank from getting power from each one, eliminating that negative effect Reducing the natural consumption of batteries after power off, lengthens the life of the primary battery.. FEATURE- Battery isolator solenoid is made of high-quality materials, excellent performance, and durability. Easy to install and start up immediately.. ONE YEAR SERVICE - The Mobile Audio Continuous Relay comes with 1 Year Warranty Any problem please feel free to contact us for a replacement..

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

Specs Battery Isolator, Dimension 212mm L x 112mm W x 64mm H, 38-16 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.

Stinger SGP35 500-AMP Relay and Isolator , Black

500 AMP High Current RelayIsolator. Prevents primary battery discharge. Power on demand. Extends battery life. Universal 12 volt applications.
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