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12v, 140a, 12. 8v cut-out voltage, 13. 3v cut-in voltage, ; package Include All the Bits and Pieces Needed for a Complete Installation. Working voltage: having voltage sensitive chip, rely cuts in at 13.


100% satisfaction: no reason for return or change. Easy to use: this vsr comes with mounting plate and 4 bolts for install. 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. Compatible: used for dc 12 v two battery systems isolate and charge, RV, universal used for car, vehicle, UTV and boat, ATV, also two battery electrical equipment.

That is why our products are worthy of your purchase. Working voltage——voltage sensitive relay vsr cuts in at 13. 3 volts and cuts out at 12.
Function——with 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.

Complete kit with printed installation manual - this dual battery isolator kit manufactured by AA Ignition is a complete kit which includes the Isolator or Relay, battery terminals, heat shrinks, copper lugs, battery Cables, cable ties and a printed instruction manual.
Avoid getting stucked after your recreation by purchasing this dual battery isolator kit from AA Ignition. Fits a wide variety of vehicles - being the computer age that it is today, a lot of accessories, tools and gadgets that runs on electricity are essential in our everyday living or hobbies. 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. It features a voltage sensitive chip ensuring your primary battery is always ready for your vehicle to run.

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. Does not include installation wires. Easy-to-use: the 140 amp dual battery smart isolator comes with mounting plate and hardware.
Zero voltage drop: 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 Isolator is the only 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 to get close to your dual batteries.

If you want additional components to complete installation, please click "DEWINNER dual battery isolator kit". Buy with confidence: every 140 amp dual battery isolator is backed by an industry leading 12-month warranty. Fits a wide variety of vehicles -like having two separate power sources, truck, 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.
What you get: singleisolator: 140 Amp Smart Battery Isolator; Easy-to-follow directions for the novice DIYer. Easy to install: no alternator or ignition connection needed. It's like having two separate power sources for each battery while only having one alternator! Only suitable for lead-acid batteries versus lead-acid batteries. 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.

Zero voltage drop: forget the traditional diode relays and so-called "solid state" devices that can rob you of almost 2 amps of output power! The Dual Battery Isolator is the only unit designed with cutting programming to deliver performance - with ZERO sacrifice.
Great for extreme vibration applications as well. Easy-to-use: the 140 amp Dual Battery Isolator comes with mounting plate and hardware. This international rating means that your isolator is safe for use even for your off-road needs in dusty, wet and unexpected extreme weather environments. Voltage sensitive relay: the automatic 140 amp dual battery isolator is all you need to charge Two Battery Systems.

Function: cause your accessories to run from a separate battery while the engine is not working on your vehicle, and at the mean time holding your main battery charged and your vehicle always ready to work.
1. MaySpare
#ad
MaySpare 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic Charging Relay Dual Smart Battery Isolator
#adMaySpare #ad - Lifetime warranty :100% high Quality and Enjoy Full Life Warranty, Free Exchange. Compatibility: this battery isolators are small and suitable for almost anywhere, truck, RV's,marine vehicle, Boats, for ATV, UTV, caravan.12v, 140a, 12. 8v cut-out voltage, 13. 3v cut-in voltage, ; package Include All the Bits and Pieces Needed for a Complete Installation. Working voltage: having voltage sensitive chip, rely cuts in at 13.
More information #ad
3 volts and Cuts out at 12. 8 volts to ensuring primary Battery is Always Ready for Vehicle to Run. Fuction: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.Brand | MaySpare #ad |
Manufacturer | MaySpare #ad |
Part Number | US-140 Isolator |
More information #ad
2. Hrsptudorc
#ad
Hrsptudorc 12V 50 Amp Voltage Sensitive Relay VSR Dual Battery Automatic Charging Relay Dual Battery Isolator for Kart
#adHrsptudorc #ad - Current: 70A. Current consumption - charging: 150MA. Voltage: 12V. Maximum operating current: 50A. Current consumption - Standby: 1. 5ma.More information #ad
Brand | Hrsptudorc #ad |
Manufacturer | Hrsptudorc #ad |
Height | 1.97 Inches |
Length | 3.94 Inches |
Weight | 0.25 Pounds |
Width | 1.97 Inches |
Part Number | 500235543 |
Model | 500235543 |
More information #ad
3. Ampper
#ad
RV, ATV, Ampper 12V 140Amp Dual Battery Isolator, Vehicle, Battery Voltage Sensitive Relay VSR Smart Battery Isolator for Car, UTV and Boat
#adAmpper #ad - 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.100% satisfaction: no reason for return or change. Easy to use: this vsr comes with mounting plate and 4 bolts for install. 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.
More information #ad
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. Compatible: used for dc 12 v two battery systems isolate and charge, RV, universal used for car, vehicle, UTV and boat, ATV, also two battery electrical equipment.
Brand | Ampper #ad |
Manufacturer | Ampper #ad |
Height | 2.6 Inches |
Length | 2.76 Inches |
Weight | 8 ounces |
Width | 3.74 Inches |
Part Number | Am-VSR0101 |
More information #ad
4. UCkasayfy
#ad
Dual Battery Isolator 12V 140Amp, Voltage Sensitive Relay VSR,Compatible with RV Marine Car Vehicles Truck Caravan Off-road Camper Yacht,Not Fit for lithium batteries
#adUCkasayfy #ad - Wide compatibility——this battery isolators are small and suitable for almost anywhere, RV's,marine vehicle, Boats, truck, for ATV, UTV, caravan.12-month warranty——we have exquisite craft, strict quality control along with excellent after-sales service.That is why our products are worthy of your purchase. Working voltage——voltage sensitive relay vsr cuts in at 13. 3 volts and cuts out at 12.
More information #ad
8 volts to ensure your primary battery is always charged and ready to run your vehicle. Important note——when connecting accessories to your second battery ensure they are fused within 098ft. Function——with 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.
Brand | UCkasayfy #ad |
Manufacturer | UCkasayfy #ad |
Part Number | BR001-12V |
More information #ad
5. AA Ignition
#ad
12 Volt 140 Amp Voltage Sensitive Relay, Complete VSR Double Battery Automatic Charger, UTV Boats and more, Fits Trucks, SUV, ATV, Safe, Water and Vibration Resistant, Dual Battery Isolator Kit
#adAA Ignition #ad - This dual battery isolator kit features 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all the bits and pieces needed for a complete installation. This dual battery isolator is also built to withstand extreme weather environments, vibration and is water resistant. 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 to.Complete kit with printed installation manual - this dual battery isolator kit manufactured by AA Ignition is a complete kit which includes the Isolator or Relay, battery terminals, heat shrinks, copper lugs, battery Cables, cable ties and a printed instruction manual.
More information #ad
Lifetime warranty - this 12v 140 amp dual battery isolator kit comes complete with a lifetime warranty. If the part ever fails on your truck, ATV, SUV, RV, UTV or Boat simply contact us for a replacement. Avoid getting stucked after your recreation by purchasing this dual battery isolator kit from AA Ignition. Fits a wide variety of vehicles - being the computer age that it is today, a lot of accessories, tools and gadgets that runs on electricity are essential in our everyday living or hobbies. 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. It features a voltage sensitive chip ensuring your primary battery is always ready for your vehicle to run.
Brand | AA Ignition #ad |
Manufacturer | AA Ignition #ad |
Part Number | GWA449 |
Warranty | Lifetime Warranty |
More information #ad
6. KeyLine Chargers
#ad
Campers 5th Wheels Off Road Vehicles Rhino Polaris Artic Cat ETC, UTV, Boats, RV's, KeyLine Chargers 12V 140 Amp Dual Battery Smart Isolator VSR, Voltage Sensitive Relay Designed for ATV
#adKeyLine Chargers #ad - Buy with confidence: every 140 amp dual battery isolator is backed by an industry leading 12-month warranty. What could be easier? **if you need installation wiring, see Dual Battery Kit or ATV/UTV Kit. Voltage sensitive relay: the keyline 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. Does not include installation wires. Easy-to-use: the 140 amp dual battery smart isolator comes with mounting plate and hardware.
More information #ad
Great for extreme vibration applications as well. Easy-to-follow directions for the most novice DIYer. 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. Zero voltage drop: 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 Isolator is the only 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 to get close to your dual batteries.
Brand | KeyLine Chargers #ad |
Manufacturer | KeyLine Chargers #ad |
Part Number | ISO-PRO140 |
Model | ISO-PRO140 |
More information #ad
7. DEWINNER
#ad
Voltage Sensitive Relay, Campers 5th Wheels Off Road Vehicles Rhino 12V Isolator, RVs, Boats, UTV, 12V 140 Amp Specially Designed for ATV, Dual Battery Smart Isolator DEWINNER, VSR
#adDEWINNER #ad - If you are not 100% satisfied with your purchase, simply take advantage of the No Questions Asked, 30-Day Money Back Guarantee!! Voltage sensitive relay: dewinner automatic 140 amp dual battery isolator is all you need to charge two battery systems. Suitable for 12v 4WD, marine, caravan & camping applications.If you want additional components to complete installation, please click "DEWINNER dual battery isolator kit". Buy with confidence: every 140 amp dual battery isolator is backed by an industry leading 12-month warranty. Fits a wide variety of vehicles -like having two separate power sources, truck, 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.
More information #ad
What you get: singleisolator: 140 Amp Smart Battery Isolator; Easy-to-follow directions for the novice DIYer. Easy to install: no alternator or ignition connection needed. It's like having two separate power sources for each battery while only having one alternator! Only suitable for lead-acid batteries versus lead-acid batteries. 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.
Brand | DEWINNER #ad |
Manufacturer | DEWINNER #ad |
Part Number | DE-C002 |
More information #ad
8. Hrsptudorc
#ad
Hrsptudorc 12V 140A Voltage Sensitive Relay Battery Isolator Automatic Charging Relay Car Accessories Car Battery Relay
#adHrsptudorc #ad - Voltage sensitive Relay 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 isolators on the market, the automatic 140 Amp Dual Battery Isolator is IP65 Certified.Zero voltage drop: forget the traditional diode relays and so-called "solid state" devices that can rob you of almost 2 amps of output power! The Dual Battery Isolator is the only unit designed with cutting programming to deliver performance - with ZERO sacrifice.
More information #ad
This compact battery isolator was built ultra-small 2. 6inch x 2. 6inch x 2inch to fit almost anywhere! A perfect fit under the hood to get close to your dual batteries. Great for extreme vibration applications as well. Easy-to-use: the 140 amp Dual Battery Isolator comes with mounting plate and hardware. This international rating means that your isolator is safe for use even for your off-road needs in dusty, wet and unexpected extreme weather environments. Voltage sensitive relay: the automatic 140 amp dual battery isolator is all you need to charge Two Battery Systems.
Brand | Hrsptudorc #ad |
Manufacturer | Hrsptudorc #ad |
Height | 3.15 Inches |
Length | 3.15 Inches |
Width | 3.15 Inches |
Part Number | 500035198 |
Model | 500035198 |
More information #ad
9. RANSOTO
#ad
Dual Battery Isolator Kit 12 Volt 140 Amp Voltage Sensitive Relay Complete VSR Double Battery Automatic Charger
#adRANSOTO #ad - It can work in dusty, wet and unexpected extreme weather condition. This item can install to most of vehicle, for example Truck, SUV, UTV, ATV, RV, Boat and so on.Function: cause your accessories to run from a separate battery while the engine is not working on your vehicle, and at the mean time holding your main battery charged and your vehicle always ready to work.
More information #ad
Warranty : we provide 6-month warranty, If you have any questions, You can contact us and we will reply you within 24 hours. This package is including 12 volt 140 Amp Voltage Sensitive Relay Isolator and includes all other accessrioes. It is including instruction.Brand | RANSOTO #ad |
Manufacturer | ANODIZING RACING #ad |
Height | 3.15 Inches |
Length | 12.4 Inches |
Width | 8.66 Inches |
Part Number | RZ084 |
More information #ad