Best 12v Battery Split Charge Isolator Relay Diode of 2026

Last updated on 24/03/2026

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5M 12V 140 Amp Split Charge Relay Kit, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan SUV ATV RV Boat Vehicles

5M 12V 140 Amp Split Charge Relay Kit, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan SUV ATV RV Boat Vehicles

BURNTOP

Why we love it

Easy installation with complete accessories.
Intelligent battery management system.
Waterproof and dustproof for durability.

Main Highlights

【Split Charge Relay Kit】- VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 1* black earth cable, 2* Fuse Holders, 2* Battery positive negative terminals, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 4* fuses, 4* Insulated Blue Ring Terminalsand, 7* Heat Shrink, 9* foam sticky pads, 10* cable ties, 18* screws, 1* Instruction manual and so on.Easy to operate and install. NOTE: Each wiring section must be tightened
【Intelligent Battery Isolation】- A battery isolator that is compatible with both automatic and manual modes. When the input voltage of the dual battery isolator exceeds 13.3V, the voltmeter and red LED indicator light will light up. When the input voltage drops to 12.8V and the power is cut off, the circuit will automatically disconnect, and the ammeter and red LED indicator light will turn off. Keep your main battery fully charged and ready to start the vehicle.
【LED Voltmeter Display】- Clear and intuitive perception of whether the relay is working, the voltage sensitive relay is equipped with an LED display screen on the surface for displaying the current voltage status. If two batteries are connected, the voltage displayed on the voltmeter is the higher voltage battery.
【Safe and Efficient】- The split type charging relay is made of high-quality materials with a waterproof rating of IP68, effectively waterproof and dustproof, and can maintain performance even in humid environments, effectively protecting electrical energy from excessive discharge of the main battery and ensuring that the second battery is fully charged. NOTE: Each wiring section must be tightened
【Wide Range Applications】- The split charging relay kit provides power to any ground or sea vehicle, including beach bikes, boats, cars, small trucks, trucks, RVs, and yachts; A perfect multifunctional solution that meets all automotive power needs.

9.7

Exceptional

9.7

Exceptional

BURNTOP

5M 12V 140 Amp Split Charge Relay Kit, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan SUV ATV RV Boat Vehicles

Why we love it

Easy installation with complete accessories.
Intelligent battery management system.
Waterproof and dustproof for durability.

Main Highlights

【Split Charge Relay Kit】- VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 1* black earth cable, 2* Fuse Holders, 2* Battery positive negative terminals, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 4* fuses, 4* Insulated Blue Ring Terminalsand, 7* Heat Shrink, 9* foam sticky pads, 10* cable ties, 18* screws, 1* Instruction manual and so on.Easy to operate and install. NOTE: Each wiring section must be tightened
【Intelligent Battery Isolation】- A battery isolator that is compatible with both automatic and manual modes. When the input voltage of the dual battery isolator exceeds 13.3V, the voltmeter and red LED indicator light will light up. When the input voltage drops to 12.8V and the power is cut off, the circuit will automatically disconnect, and the ammeter and red LED indicator light will turn off. Keep your main battery fully charged and ready to start the vehicle.
【LED Voltmeter Display】- Clear and intuitive perception of whether the relay is working, the voltage sensitive relay is equipped with an LED display screen on the surface for displaying the current voltage status. If two batteries are connected, the voltage displayed on the voltmeter is the higher voltage battery.
【Safe and Efficient】- The split type charging relay is made of high-quality materials with a waterproof rating of IP68, effectively waterproof and dustproof, and can maintain performance even in humid environments, effectively protecting electrical energy from excessive discharge of the main battery and ensuring that the second battery is fully charged. NOTE: Each wiring section must be tightened
【Wide Range Applications】- The split charging relay kit provides power to any ground or sea vehicle, including beach bikes, boats, cars, small trucks, trucks, RVs, and yachts; A perfect multifunctional solution that meets all automotive power needs.

Value for Money

Trsaow 5m Split Charge Relay Kit,Leisure Battery 12V 140A Split Charge Relay IP68 Waterproof Automatic and Manual Modes for Camper Auto Van Sea Vehicles

Trsaow 5m Split Charge Relay Kit,Leisure Battery 12V 140A Split Charge Relay IP68 Waterproof Automatic and Manual Modes for Camper Auto Van Sea Vehicles

Trsaow

Why we love it

Complete installation kit included.
Smart isolator for battery management.
Durable for harsh conditions.

Main Highlights

5M Split Charge Relay Kit: This split charge relay kit includes all the necessary accessories: 1* battery isolator, 4* red main power cables (4m/0.5m/0.25m/0.25m), 1* black earth cable (1m), 4* fuses, 2* fuse holders, 2* battery terminals (positive/negative), 7 * shrink tubes, other installation tools and a user manual
Intelligent Battery Isolator: The 12V 140A battery isolator features 2 modes (automatic for hands-free operation, and manual for emergency control) and an LED voltmeter. It activates when the main battery voltage exceeds 13.3V and de-energizes when below 12.8V, ensuring that the main battery is always fully charged and ready for vehicle starts
Durable & Efficient: Our battery isolator is IP68 waterproof and shockproof, ensuring durability even in harsh weather conditions. It safeguards the main battery from over-discharge and ensures that the second battery is fully charged
Wide Applicaiton: This split charge relay kit is a perfect power solution for diverse ground and marine vehicles, including cars, trucks, minivans, vans, motorhomes, camper vans, ATVs, yachts, and boats
Easy to Install: The split charge relay kit features color-coded cables, terminals, and intuitive wiring diagrams, which makes it easy for users to install independently

Trsaow 5m Split Charge Relay Kit,Leisure Battery 12V 140A Split Charge Relay IP68 Waterproof Automatic and Manual Modes for Camper Auto Van Sea Vehicles

Why we love it

Complete installation kit included.
Smart isolator for battery management.
Durable for harsh conditions.

Main Highlights

5M Split Charge Relay Kit: This split charge relay kit includes all the necessary accessories: 1* battery isolator, 4* red main power cables (4m/0.5m/0.25m/0.25m), 1* black earth cable (1m), 4* fuses, 2* fuse holders, 2* battery terminals (positive/negative), 7 * shrink tubes, other installation tools and a user manual
Intelligent Battery Isolator: The 12V 140A battery isolator features 2 modes (automatic for hands-free operation, and manual for emergency control) and an LED voltmeter. It activates when the main battery voltage exceeds 13.3V and de-energizes when below 12.8V, ensuring that the main battery is always fully charged and ready for vehicle starts
Durable & Efficient: Our battery isolator is IP68 waterproof and shockproof, ensuring durability even in harsh weather conditions. It safeguards the main battery from over-discharge and ensures that the second battery is fully charged
Wide Applicaiton: This split charge relay kit is a perfect power solution for diverse ground and marine vehicles, including cars, trucks, minivans, vans, motorhomes, camper vans, ATVs, yachts, and boats
Easy to Install: The split charge relay kit features color-coded cables, terminals, and intuitive wiring diagrams, which makes it easy for users to install independently

5M 12V 140 Amp Split Charge Relay Kit, Voltage Sensitive Relay Kit with LED Screen Display, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, for Campervan SUV ATV RV Boat Vehicles

5M 12V 140 Amp Split Charge Relay Kit, Voltage Sensitive Relay Kit with LED Screen Display, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, for Campervan SUV ATV RV Boat Vehicles

CHAMSUREUK

Why we love it

Complete installation accessories included.
Intelligent battery isolation feature.
LED voltmeter for easy monitoring.

Main Highlights

💯【Split Charge Relay Kit】- VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 1* black earth cable, 2* Fuse Holders, 2* Battery positive negative terminals, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 4* fuses, 4* Insulated Blue Ring Terminalsand, 7* Heat Shrink, 9* foam sticky pads, 10* cable ties, 18* screws, 1* Instruction manual and so on.Easy to operate and install. NOTE: Each wiring section must be tightened
💯【Intelligent Battery Isolation】- A battery isolator that is compatible with both automatic and manual modes. When the input voltage of the dual battery isolator exceeds 13.3V, the voltmeter and red LED indicator light will light up. When the input voltage drops to 12.8V and the power is cut off, the circuit will automatically disconnect, and the ammeter and red LED indicator light will turn off. Keep your main battery fully charged and ready to start the vehicle.
💯【LED Voltmeter Display】- Clear and intuitive perception of whether the relay is working, the voltage sensitive relay is equipped with an LED display screen on the surface for displaying the current voltage status. If two batteries are connected, the voltage displayed on the voltmeter is the higher voltage battery.
💯【Safe and Efficient】- The split type charging relay is made of high-quality materials with a waterproof rating of IP68, effectively waterproof and dustproof, and can maintain performance even in humid environments, effectively protecting electrical energy from excessive discharge of the main battery and ensuring that the second battery is fully charged. NOTE: Each wiring section must be tightened
💯【Wide Range Applications】- The split charging relay kit provides power to any ground or sea vehicle, including beach bikes, boats, cars, small trucks, trucks, RVs, and yachts; A perfect multifunctional solution that meets all automotive power needs.

5M 12V 140 Amp Split Charge Relay Kit, Voltage Sensitive Relay Kit with LED Screen Display, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, for Campervan SUV ATV RV Boat Vehicles

Why we love it

Complete installation accessories included.
Intelligent battery isolation feature.
LED voltmeter for easy monitoring.

Main Highlights

💯【Split Charge Relay Kit】- VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 1* black earth cable, 2* Fuse Holders, 2* Battery positive negative terminals, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 4* fuses, 4* Insulated Blue Ring Terminalsand, 7* Heat Shrink, 9* foam sticky pads, 10* cable ties, 18* screws, 1* Instruction manual and so on.Easy to operate and install. NOTE: Each wiring section must be tightened
💯【Intelligent Battery Isolation】- A battery isolator that is compatible with both automatic and manual modes. When the input voltage of the dual battery isolator exceeds 13.3V, the voltmeter and red LED indicator light will light up. When the input voltage drops to 12.8V and the power is cut off, the circuit will automatically disconnect, and the ammeter and red LED indicator light will turn off. Keep your main battery fully charged and ready to start the vehicle.
💯【LED Voltmeter Display】- Clear and intuitive perception of whether the relay is working, the voltage sensitive relay is equipped with an LED display screen on the surface for displaying the current voltage status. If two batteries are connected, the voltage displayed on the voltmeter is the higher voltage battery.
💯【Safe and Efficient】- The split type charging relay is made of high-quality materials with a waterproof rating of IP68, effectively waterproof and dustproof, and can maintain performance even in humid environments, effectively protecting electrical energy from excessive discharge of the main battery and ensuring that the second battery is fully charged. NOTE: Each wiring section must be tightened
💯【Wide Range Applications】- The split charging relay kit provides power to any ground or sea vehicle, including beach bikes, boats, cars, small trucks, trucks, RVs, and yachts; A perfect multifunctional solution that meets all automotive power needs.

Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat

Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat

Heart Horse

11% Off

Why we love it

Efficient power management system.
Universal compatibility for vehicles.
Easy, independent installation.

Main Highlights

✔【VOLTAGE SENSITIVE RELAY】 Automatic /Manual 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage Sensitive Relay (VSR) cuts in at 13.3V and cuts out at 12.8V 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!
✔【UNIVERSAL COMPATIBILITY】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,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.
✔【EASY TO INSTALL】The VSR split charge relay kit comes with full installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) that make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
✔【SAFE&EFFICIENT 】The dual battery isolator efficiently manages and protects power, preventing over-discharge of the main battery and ensuring full charging of the second battery. With high-quality materials and an IP68 waterproof, dustproof, and vibration-proof construction, our battery isolator delivers reliable performance even in harsh environments.
✔【BUY WITH CONFIDENCE】This 12V dual battery isolator kit comes with a 30-day money-back guarantee, providing reliable and efficient performance for your vehicle or boat, and allowing you to purchase with confidence.

Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat

11% Off

Why we love it

Efficient power management system.
Universal compatibility for vehicles.
Easy, independent installation.

Main Highlights

✔【VOLTAGE SENSITIVE RELAY】 Automatic /Manual 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage Sensitive Relay (VSR) cuts in at 13.3V and cuts out at 12.8V 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!
✔【UNIVERSAL COMPATIBILITY】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,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.
✔【EASY TO INSTALL】The VSR split charge relay kit comes with full installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) that make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
✔【SAFE&EFFICIENT 】The dual battery isolator efficiently manages and protects power, preventing over-discharge of the main battery and ensuring full charging of the second battery. With high-quality materials and an IP68 waterproof, dustproof, and vibration-proof construction, our battery isolator delivers reliable performance even in harsh environments.
✔【BUY WITH CONFIDENCE】This 12V dual battery isolator kit comes with a 30-day money-back guarantee, providing reliable and efficient performance for your vehicle or boat, and allowing you to purchase with confidence.

Split Charge Relay Kit with LED Screen Display, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

Split Charge Relay Kit with LED Screen Display, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

JAOGAUS

Why we love it

LED display shows clear voltage.
Charges two batteries simultaneously.
Protects main battery from depletion.

Main Highlights

With LED Display: The split charge relay kit has an LED display that can clearly display the voltage. It is widely suitable for most 12V cars, caravans, SUVs, trucks, RVs, SUVs, RVs, ATVs, UTVs, ATVs, UTVs, boats, etc.
Charging 2 Batteries: This split charge relay kit allows you to charge two batteries at the same time. When the engine starts, the main battery automatically charges. When the voltage of the main battery reaches 13.3 volts, the relay connects the auxiliary battery and the two batteries become parallel, so that the two batteries can be charged at the same time without affecting the power supply for the electrical equipment on the vehicle.
Protecting the main battery: This split charge relay kit protects the main battery from running out of power. When the engine is turned off, the electrical equipment on the vehicle slowly consumes power. When the main battery voltage drops to 12.8V, the battery isolator will disconnect the main battery, so that when the secondary battery discharges to power the electrical equipment, the main battery will not discharge.
Waterproof and Durable: This voltage sensitive relay kit provides reliable performance even in harsh environments, safe and durable. This battery isolator has a wide operating temperature range (-50 degrees Celsius - 125 degrees Celsius), is waterproof, shockproof.
Easy to install: This 12V split charge relay kit includes a full set of installation accessories, no need to purchase additional accessories, and installation is simple. Equipped with multi -language manuals to facilitate your better understanding. Any questions, please feel free to email us and we will solve your problem within 24 hours. CAUTION: Any unauthorized modification of the product wiring may cause vehicle malfunction. Do not alter the product wiring.

Split Charge Relay Kit with LED Screen Display, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

Why we love it

LED display shows clear voltage.
Charges two batteries simultaneously.
Protects main battery from depletion.

Main Highlights

With LED Display: The split charge relay kit has an LED display that can clearly display the voltage. It is widely suitable for most 12V cars, caravans, SUVs, trucks, RVs, SUVs, RVs, ATVs, UTVs, ATVs, UTVs, boats, etc.
Charging 2 Batteries: This split charge relay kit allows you to charge two batteries at the same time. When the engine starts, the main battery automatically charges. When the voltage of the main battery reaches 13.3 volts, the relay connects the auxiliary battery and the two batteries become parallel, so that the two batteries can be charged at the same time without affecting the power supply for the electrical equipment on the vehicle.
Protecting the main battery: This split charge relay kit protects the main battery from running out of power. When the engine is turned off, the electrical equipment on the vehicle slowly consumes power. When the main battery voltage drops to 12.8V, the battery isolator will disconnect the main battery, so that when the secondary battery discharges to power the electrical equipment, the main battery will not discharge.
Waterproof and Durable: This voltage sensitive relay kit provides reliable performance even in harsh environments, safe and durable. This battery isolator has a wide operating temperature range (-50 degrees Celsius - 125 degrees Celsius), is waterproof, shockproof.
Easy to install: This 12V split charge relay kit includes a full set of installation accessories, no need to purchase additional accessories, and installation is simple. Equipped with multi -language manuals to facilitate your better understanding. Any questions, please feel free to email us and we will solve your problem within 24 hours. CAUTION: Any unauthorized modification of the product wiring may cause vehicle malfunction. Do not alter the product wiring.

12V Split Charge Relay Kit,5M 140 Amp Smart Dual Battery Isolator Kit with Led Voltmeter Manual/Auto Mode Waterproof Voltage Sensitive Relay VSR Kit for Truck ATV UTV Boat RV

12V Split Charge Relay Kit,5M 140 Amp Smart Dual Battery Isolator Kit with Led Voltmeter Manual/Auto Mode Waterproof Voltage Sensitive Relay VSR Kit for Truck ATV UTV Boat RV

Yeqqzq

Why we love it

Versatile compatibility for many vehicles.
Real-time battery monitoring indicator.
IP68 rugged weatherproof build.

Main Highlights

✅【Versatile Compatibility】The battery isolator 12v kit ideal for a wide range of vehicles and equipment, including RVs, cars, trucks, boats, yachts, off-road vehicles, and campers. Powers accessories (lights, radios, fridges) via a secondary battery while preserving the main battery’s charge when the engine is off.
✅【Intuitive Battery Monitoring】The second battery wiring kit integrated LED indicator provides real-time status updates, letting you easily check if batteries are connected, charging, or isolated. You can stay informed and in control of your battery system at all times.
✅【Safe&Efficient】The dual battery isolator efficiently manages and protects power, preventing over-discharge of the main battery and ensuring full charging of the second battery. With high-quality materials and an IP68 waterproof, dustproof, and vibration-proof construction, our battery isolator delivers reliable performance even in harsh environments.
✅【Easy Installation】The VSR split charge relay kit comes with full installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrinks, cable ties ects) All necessary accessoires for convenient use and You don't need to buy extra accessories,that make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
✅【Perfect After-Sales Service】If for any reason you are not completely satisfied with your purchase, or encounter any problems during use,you can click the "contact seller" button to send an email to us, and We will provide you with a satisfactory solution within 12 hours.

12V Split Charge Relay Kit,5M 140 Amp Smart Dual Battery Isolator Kit with Led Voltmeter Manual/Auto Mode Waterproof Voltage Sensitive Relay VSR Kit for Truck ATV UTV Boat RV

Why we love it

Versatile compatibility for many vehicles.
Real-time battery monitoring indicator.
IP68 rugged weatherproof build.

Main Highlights

✅【Versatile Compatibility】The battery isolator 12v kit ideal for a wide range of vehicles and equipment, including RVs, cars, trucks, boats, yachts, off-road vehicles, and campers. Powers accessories (lights, radios, fridges) via a secondary battery while preserving the main battery’s charge when the engine is off.
✅【Intuitive Battery Monitoring】The second battery wiring kit integrated LED indicator provides real-time status updates, letting you easily check if batteries are connected, charging, or isolated. You can stay informed and in control of your battery system at all times.
✅【Safe&Efficient】The dual battery isolator efficiently manages and protects power, preventing over-discharge of the main battery and ensuring full charging of the second battery. With high-quality materials and an IP68 waterproof, dustproof, and vibration-proof construction, our battery isolator delivers reliable performance even in harsh environments.
✅【Easy Installation】The VSR split charge relay kit comes with full installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrinks, cable ties ects) All necessary accessoires for convenient use and You don't need to buy extra accessories,that make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
✅【Perfect After-Sales Service】If for any reason you are not completely satisfied with your purchase, or encounter any problems during use,you can click the "contact seller" button to send an email to us, and We will provide you with a satisfactory solution within 12 hours.

3m Split Charge Relay Kit 12v 140amp Leisure Battery Kit Voltage Sensitive Relay VSR Smart Dual Battery Isolator Kit for camper auto van

3m Split Charge Relay Kit 12v 140amp Leisure Battery Kit Voltage Sensitive Relay VSR Smart Dual Battery Isolator Kit for camper auto van

UCkasayfy

Why we love it

Automatic battery protection features.
Versatile for many vehicles.
Reliable after-sales support.

Main Highlights

【Function】——Voltage Sensitive Relay(VSR) cuts in at 13.3v and cuts out at 12.8v to ensure your main battery is always charged and ready to run your vehicle. The dual battery isolator can display the voltage, you can check the battery voltage in time
【Secure & Effective】——When the input voltage is lower than 11V or more than 17V, the circuit will be disconnected automatically to protect batteries. IP67 waterproof rating helps smart battery isolator perform well in extreme environments
【Wide Compatibility】——This vsr split charge relay kit is suitable for almost anywhere, for ATV, UTV, Boats, RV, marine, vehicle, truck and caravan. 140amp battery isolator is very usefu for storing sports cars and trailers to protect batteries from drained
【Emergency Condition】——The campervan split charger kit can reverse charge in both manual and automatic modes. For example, when the main battery is out of power, switch to manual mode to connect the circuit, the auxiliary battery can charge the main one in reverse
【After-sales Service】——We have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase

3m Split Charge Relay Kit 12v 140amp Leisure Battery Kit Voltage Sensitive Relay VSR Smart Dual Battery Isolator Kit for camper auto van

Why we love it

Automatic battery protection features.
Versatile for many vehicles.
Reliable after-sales support.

Main Highlights

【Function】——Voltage Sensitive Relay(VSR) cuts in at 13.3v and cuts out at 12.8v to ensure your main battery is always charged and ready to run your vehicle. The dual battery isolator can display the voltage, you can check the battery voltage in time
【Secure & Effective】——When the input voltage is lower than 11V or more than 17V, the circuit will be disconnected automatically to protect batteries. IP67 waterproof rating helps smart battery isolator perform well in extreme environments
【Wide Compatibility】——This vsr split charge relay kit is suitable for almost anywhere, for ATV, UTV, Boats, RV, marine, vehicle, truck and caravan. 140amp battery isolator is very usefu for storing sports cars and trailers to protect batteries from drained
【Emergency Condition】——The campervan split charger kit can reverse charge in both manual and automatic modes. For example, when the main battery is out of power, switch to manual mode to connect the circuit, the auxiliary battery can charge the main one in reverse
【After-sales Service】——We have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase

5m Split Charge Relay Kit, 12v 140Amp Smart Dual Battery Isolator, Voltage Sensitive Relay Kit with LED Screen Display for Campervan Van Truck SUV RV ATV UTV Boat

5m Split Charge Relay Kit, 12v 140Amp Smart Dual Battery Isolator, Voltage Sensitive Relay Kit with LED Screen Display for Campervan Van Truck SUV RV ATV UTV Boat

Sofofux

Why we love it

Easy self-installation process.
Safe and efficient performance.
Wide application range.

Main Highlights

【5M Split Charge Relay Kit】: The VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 1* black earth cable, 4* fuses, 2* Fuse Holders , 2* Battery positive negative terminals,7 * Heat Shrink, 9* foam sticky pads, 4* Insulated Blue Ring Terminalsand, 10* cable ties, 18* screws, 1 * Instruction manual and so on. That make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
【Safe & Efficient】: Our voltage sensibility relay are made of high quality materials and IP68 waterproof and shockproof construction, providing reliable performance even in harsh environments. The dual battery isolator effectively protects the electrical energy from over-discharge of the main battery and ensures that the second battery is fully charged.
【Upgraded Battery Isolator】: Automatic/Manual 12V 140 Amp battery isolator equipped with an LED voltage display for a clear view of the voltage, the voltage-sensitive relay activates when the voltage is 13.3V and de-energises when the voltage is 12.8V to ensure that your main battery is always fully charged and ready to start your vehicle.
【Widely Used】: Our split charge relay kit can power any ground or marine vehicle including campervan van ATVS, boats, cars, minivans, trucks, motorhomes and yachts;The perfect versatile solution for all automotive power needs.
【Buy with Confidence】: Split charging relay kit comes with 1 year after-sales warranty, if you have any questions, please contact us.

5m Split Charge Relay Kit, 12v 140Amp Smart Dual Battery Isolator, Voltage Sensitive Relay Kit with LED Screen Display for Campervan Van Truck SUV RV ATV UTV Boat

Why we love it

Easy self-installation process.
Safe and efficient performance.
Wide application range.

Main Highlights

【5M Split Charge Relay Kit】: The VSR split charge relay kit comes with full installation accessories: 1* Battery isolator, 4* PVC red main power cable(4m/0.5m/0.25m/0.25m), 1* black earth cable, 4* fuses, 2* Fuse Holders , 2* Battery positive negative terminals,7 * Heat Shrink, 9* foam sticky pads, 4* Insulated Blue Ring Terminalsand, 10* cable ties, 18* screws, 1 * Instruction manual and so on. That make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment.
【Safe & Efficient】: Our voltage sensibility relay are made of high quality materials and IP68 waterproof and shockproof construction, providing reliable performance even in harsh environments. The dual battery isolator effectively protects the electrical energy from over-discharge of the main battery and ensures that the second battery is fully charged.
【Upgraded Battery Isolator】: Automatic/Manual 12V 140 Amp battery isolator equipped with an LED voltage display for a clear view of the voltage, the voltage-sensitive relay activates when the voltage is 13.3V and de-energises when the voltage is 12.8V to ensure that your main battery is always fully charged and ready to start your vehicle.
【Widely Used】: Our split charge relay kit can power any ground or marine vehicle including campervan van ATVS, boats, cars, minivans, trucks, motorhomes and yachts;The perfect versatile solution for all automotive power needs.
【Buy with Confidence】: Split charging relay kit comes with 1 year after-sales warranty, if you have any questions, please contact us.

Split Charge Relay Kit, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

Split Charge Relay Kit, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

NORLYT

Why we love it

Charges two batteries.
Protects the main battery.
Waterproof and durable.

Main Highlights

Widely used: This split charge relay kit is widely used and suitable for most 12V cars, caravans, SUVs, trucks, RVs, SUVs, RVs, ATVs, UTVs, ATVs, UTVs, boats, etc.
Charge Two Batteries: This split charge relay kit allows you to charge two batteries at the same time. When the engine starts, the main battery automatically charges. When the voltage of the main battery reaches 13.3 volts, the relay connects the auxiliary battery and the two batteries become parallel, so that the two batteries can be charged at the same time without affecting the power supply for the electrical equipment on the vehicle.
Protect the main battery: This dual battery isolator switch 12V protects the main battery from running out of power. When the engine is turned off, the electrical equipment on the vehicle slowly consumes power. When the main battery voltage drops to 12.8V, the battery isolator will disconnect the main battery, so that when the secondary battery discharges to power the electrical equipment, the main battery will not discharge.
Waterproof and Durable: This voltage sensitive relay provides reliable performance even in harsh environments. This battery isolator has a wide operating temperature range (-50 degrees Celsius - 125 degrees Celsius), is waterproof, shockproof, safe and durable.
Easy to install: This 12V split charge relay kit includes a full set of installation accessories, no need to purchase additional accessories, and installation is simple. Notice: Do not modify the product wiring. Please use only the original product and accessories included in the package.

Split Charge Relay Kit, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat

Why we love it

Charges two batteries.
Protects the main battery.
Waterproof and durable.

Main Highlights

Widely used: This split charge relay kit is widely used and suitable for most 12V cars, caravans, SUVs, trucks, RVs, SUVs, RVs, ATVs, UTVs, ATVs, UTVs, boats, etc.
Charge Two Batteries: This split charge relay kit allows you to charge two batteries at the same time. When the engine starts, the main battery automatically charges. When the voltage of the main battery reaches 13.3 volts, the relay connects the auxiliary battery and the two batteries become parallel, so that the two batteries can be charged at the same time without affecting the power supply for the electrical equipment on the vehicle.
Protect the main battery: This dual battery isolator switch 12V protects the main battery from running out of power. When the engine is turned off, the electrical equipment on the vehicle slowly consumes power. When the main battery voltage drops to 12.8V, the battery isolator will disconnect the main battery, so that when the secondary battery discharges to power the electrical equipment, the main battery will not discharge.
Waterproof and Durable: This voltage sensitive relay provides reliable performance even in harsh environments. This battery isolator has a wide operating temperature range (-50 degrees Celsius - 125 degrees Celsius), is waterproof, shockproof, safe and durable.
Easy to install: This 12V split charge relay kit includes a full set of installation accessories, no need to purchase additional accessories, and installation is simple. Notice: Do not modify the product wiring. Please use only the original product and accessories included in the package.

12V 140amp Durite 0-727-33 voltage sensitive/intelligent Split Charge Relay

12V 140amp Durite 0-727-33 voltage sensitive/intelligent Split Charge Relay

WITPOCE

Why we love it

Intelligent voltage detection technology.
Compatible with various vehicles.
Enhances leisure battery performance.

Main Highlights

12V 140amp voltage sensitive/intelligent Split Charge Relay
The relay simply detects the rise in voltage from the vehicles charging system when the engine is started to allow power to charge your second/leisure battery.
Suitable for all Camper vans, Motor homes, Caravans, 4x4s and Boats.

12V 140amp Durite 0-727-33 voltage sensitive/intelligent Split Charge Relay

Why we love it

Intelligent voltage detection technology.
Compatible with various vehicles.
Enhances leisure battery performance.

Main Highlights

12V 140amp voltage sensitive/intelligent Split Charge Relay
The relay simply detects the rise in voltage from the vehicles charging system when the engine is started to allow power to charge your second/leisure battery.
Suitable for all Camper vans, Motor homes, Caravans, 4x4s and Boats.

We scanned 488 products

We reviewed these offers relevant to the 12v Battery Split Charge Isolator Relay Diode within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like BURNTOP, Trsaow, CHAMSUREUK, Heart Horse, JAOGAUS, Yeqqzq, UCkasayfy, Sofofux, NORLYT, WITPOCE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 12v Battery Split Charge Isolator Relay Diode in the market, we considered we took a deep dive into 2441 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is 5M 12V 140 Amp Split Charge Relay Kit, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan SUV ATV RV Boat Vehicles. We love many things about this product by BURNTOP. What sets it apart from the competition is Easy installation with complete accessories. , Intelligent battery management system. , Waterproof and dustproof for durability. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Trsaow 5m Split Charge Relay Kit,Leisure Battery 12V 140A Split Charge Relay IP68 Waterproof Automatic and Manual Modes for Camper Auto Van Sea Vehicles by Trsaow based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 12v Battery Split Charge Isolator Relay Diode and the best cost-to-value ratio is Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boatat Heart Horse with a 11% discount.
Our list of the best 12v Battery Split Charge Isolator Relay Diode is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.