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Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am
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Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am
The Voltage Sensitive Relay ensures that your primary battery is always charged and ready to start your vehicle while simultaneously charging a second auxiliary battery.
Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am
Item #: 220027625

Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck

Item #: 220027625

BSD 131

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The Voltage Sensitive Relay ensures that your primary battery is always charged and ready to start your vehicle while simultaneously charging a second auxiliary battery.
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What Stands Out

Smart Voltage Relay
Automatically disconnects charging when the voltage drops, protecting your battery from being drained, ensuring reliability on the road.
High Amp Capacity
Supports up to 140 amps, making it ideal for heavy-duty applications in trucks, vans, and recreational vehicles.
Complete Kit
Includes a 6 AWG power cable and terminal for easy installation, providing everything needed for a hassle-free setup.

Product Details

Shop Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am online at a best price in The Bahamas. B0CZMXN5SK
Item Weight2.2 lbs (1 kg)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Outdoor Enthusiasts

    Ideal for those who use trucks, RVs, or ATVs for camping and off-grid adventures, ensuring reliable power availability.

  • Towing Applications

    Great for users who tow trailers or boats, providing a separate battery for starting and auxiliary power requirements.

  • Heavy Users

    Perfect for individuals who frequently run multiple electrical accessories, needing a dependable dual battery setup for long trips.

Not Suitable For
  • Casual Users

    Individuals who use their vehicles infrequently may not benefit from a dual battery system's complexity and expense.

  • Small Capacity Needs

    Users with minimal electrical requirements might find a single battery system more suitable for their simple setups.

  • Budget Shoppers

    Price-sensitive users may want to avoid this kit, as there are cheaper alternatives for basic battery needs.

Product Description

Nilight 12V 140AMP Dual Battery Isolator Kit with 6 AWG Power Cable Terminal Voltage Sensitive Relay Smart VSR Automatic Charger Disconnect for Truck Van RV ATV UTV Boat Can Am

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Nilight Dual Battery Isolator Kit?

    Answer: The Nilight Dual Battery Isolator Kit is designed to manage two batteries efficiently in vehicles, especially trucks. It allows for the dual battery system to charge simultaneously while isolating them during periods of inactivity to prevent drain. This system is particularly beneficial for off-roaders and those who use accessories that require additional power. It ensures that your primary battery remains charged for starting the vehicle, while the secondary battery can be used for high-demand accessories.
  • Question: How does the Voltage Sensitive Relay (VSR) work in this kit?

    Answer: The Voltage Sensitive Relay (VSR) in the Nilight kit monitors battery voltage levels to engage or disengage the connection between the batteries. When the primary battery reaches a certain voltage, the VSR allows charging of the second battery, ensuring it receives sufficient charge when the engine is running. Conversely, it disconnects if the voltage drops, protecting the starter battery from depletion. This intelligent operation makes it especially suitable for users who require reliable battery management during long trips.
  • Question: Can I install this isolator kit on my own?

    Answer: Yes, the Nilight Dual Battery Isolator Kit is designed for user-friendly installation. Provided with 6 AWG power cables and detailed instructions, it can be installed by someone with basic automotive knowledge. The process generally involves connecting the relay and cables to the batteries and the vehicle’s electrical system. However, for those unfamiliar with electrical installation, seeking professional assistance is advisable to ensure proper setup and functionality.
  • Question: What type of truck is this isolator kit compatible with?

    Answer: The Nilight Dual Battery Isolator Kit is compatible with a wide range of trucks, including those that have additional electrical needs such as off-road trucks, camper vans, and more. As long as the truck operates on a 12V electrical system, and the batteries are of appropriate size, this kit can be effectively utilized. It is especially useful for trucks outfitted with various accessories like winches, lighting, or sound systems that require extra power.
  • Question: Does this kit include everything I need for installation?

    Answer: Yes, the Nilight Dual Battery Isolator Kit includes a voltage-sensitive relay, 6 AWG power cables, and terminal connectors required for installation. These components are specifically selected to work together seamlessly, ensuring optimal performance. Additionally, the kit typically comes with a user manual to guide you through the installation process, making it straightforward to set up for enhancing your vehicle's dual battery system.
  • Question: What makes this isolator smart or automatic?

    Answer: The term 'smart' in the Nilight isolator kit refers to the advanced Voltage Sensitive Relay (VSR) that automatically monitors voltage levels. It intelligently disconnects or reconnects the batteries based on their charge state. This automation saves you the trouble of manually managing your batteries and ensures they are charged adequately, reducing the risk of battery drain when the vehicle is not in use. It’s a perfect fit for those who rely on auxiliary power without the hassle.
  • Question: Can I use this kit with AGM or Gel batteries?

    Answer: Yes, the Nilight Dual Battery Isolator Kit is compatible with various types of batteries, including AGM (Absorbed Glass Mat) and Gel batteries. These battery types are often used in applications that require deep cycling and prolonged power use, such as in RVs or trucks with significant accessory loads. It's essential to confirm that the batteries you are using match in voltage and capacity to ensure optimal operation.
  • Question: What tools do I need for installation?

    Answer: To install the Nilight Dual Battery Isolator Kit, you'll generally need a set of basic tools including a wrench set, wire cutters, and crimping tools. Depending on your truck’s setup, a multimeter can also be useful for diagnosing electrical connections. Following the provided instructions and using the right tools will make the installation process efficient and successful, adding functionality to your vehicle’s electrical system.
  • Question: Is there any maintenance required after installation?

    Answer: Minimal maintenance is required once the Nilight Dual Battery Isolator Kit is installed. It is advisable to periodically check all connections for corrosion, ensure the relay operates correctly, and confirm that battery terminals are clean. Keeping the kit well-maintained will extend its life and ensure reliable performance. In scenarios where the truck is frequently used for heavy electrical loads, regular check-ups may be beneficial.
  • Question: Where can I buy the Nilight 12V 140AMP Dual Battery Isolator Kit in The Bahamas?

    Answer: You can purchase the Nilight 12V 140AMP Dual Battery Isolator Kit from Ubuy in The Bahamas. Ubuy offers a convenient online shopping experience with a selection of automotive accessories, including this isolator kit. You will find all necessary information for your purchase, helping you enhance your truck’s battery management system efficiently.

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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BSD 131

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Keeps primary battery charged to ensure vehicle readiness.
  • Simultaneously charges a secondary battery from one alternator.
  • Durable and safe for extreme weather with an IP66 waterproof rating.
  • Compatible with numerous vehicles including campers, trucks, and boats.
  • Eliminates the risk of battery drain with automatic isolation.
  • Comes with a comprehensive installation package for easy setup.