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- Dual Battery Isolator 12V 140 Amp with Voltag...
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Item #:
40674317
Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for
85% of respondents would recommend this to a friend
Item #:
40674317
BND 48
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Sunday, September 20
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Dual Battery Management
Effectively manages two batteries, preventing discharge while ensuring reliable power supply for trucks and off-road vehicles, ideal for outdoor adventures.
Voltage Display
Built-in voltage display allows users to monitor battery health at a glance, ensuring optimal performance and timely maintenance to avoid unexpected failures.
Auto & Manual Modes
Versatile operation modes cater to varied user preferences, providing automated charging or manual control, making this isolator adaptable for all driving conditions.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 1.5 lbs (680 grams) |
| What is in the box | Dual Battery Isolator 12V... For more details, please check description/product details |
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?
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Frequent Off-Roaders
Ideal for ATV and UTV enthusiasts needing reliable power management during adventurous rides.
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Marine Use
Perfect for boat owners who need to manage dual battery systems for navigation and onboard equipment.
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Truck Drivers
Great for truck drivers requiring consistent power for accessories and to prevent battery drain during long hauls.
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Casual Users
Not suitable for users who rarely operate dual battery systems or do not require advanced management features.
Product Description
Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV
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Customer Questions & Answers
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Question:
What is a dual battery isolator and how does it work?
Answer: A dual battery isolator is a device that manages the charging and discharging of two batteries in a vehicle, ensuring that the primary battery remains charged while preventing discharge to the secondary battery. It operates by automatically switching between batteries based on voltage levels, preserving the life of both batteries. This setup is particularly useful for trucks or RVs that require extra power for accessories like lights or refrigerators without risking a dead starter battery. -
Question:
What is the significance of the 140 Amp rating?
Answer: The 140 Amp rating indicates the maximum current the isolator can handle, which is crucial for high-demand applications. This capacity allows the isolator to efficiently manage power between two batteries during charging and discharging situations, ensuring that you have enough reserve power for high-drain devices typically used in trucks or off-road vehicles, such as winches or refrigeration units. -
Question:
Can I use the isolator for vehicles other than trucks?
Answer: Yes, the dual battery isolator can be used in various types of vehicles, including RVs, boats, and SUVs. Its design is versatile, making it suitable for any application where dual battery setups are beneficial. Whether you're powering a sound system on a boat or additional lighting on an SUV, this isolator provides excellent voltage management for sustained power. -
Question:
What are the differences between Auto and Manual modes?
Answer: The Auto mode allows the isolator to automatically manage the connection between the batteries based on their voltage levels, simplifying operation for users who prefer a hands-off approach. In Manual mode, the user can control when to connect or disconnect the batteries, which is advantageous in specific scenarios such as during prolonged stationary periods or when using the secondary battery for jump-starting purposes. -
Question:
How does the voltage display function enhance usability?
Answer: The built-in voltage display shows the current state of voltage for both batteries, allowing users to monitor their power levels at a glance. This feature is critical for preventing battery over-discharge and for optimizing charging cycles. By providing real-time data, users can make informed decisions about battery management and ensure their systems run smoothly. -
Question:
Is installation of the dual battery isolator difficult?
Answer: Installation can be straightforward for those familiar with automotive electrical systems, as the isolator connects directly to the battery terminals. Typical setups may involve basic tools and attention to manufacturer's instructions. However, for individuals lacking technical expertise, it might be beneficial to consult a professional installer to ensure a safe and effective setup. -
Question:
Can I use this isolator with lithium batteries?
Answer: Yes, this dual battery isolator is compatible with lithium batteries, provided they meet the system's voltage requirements. Lithium batteries tend to have different charging profiles, and the isolator's voltage-sensitive relay is designed to adapt to various battery types. This versatility is advantageous for users aiming to upgrade their power systems without replacing components. -
Question:
Are there any safety features included in this isolator?
Answer: Absolutely! The dual battery isolator incorporates several safety features such as over-voltage and under-voltage protection. These mechanisms help prevent battery damage due to improper charging conditions. By monitoring voltage levels, the isolator safeguards both batteries and prolongs their lifespan, making it a reliable choice for those who prioritize battery health. -
Question:
What are common applications for this isolator?
Answer: Common applications for the dual battery isolator include recreational vehicles, trucks with heavy accessory loads, and boats requiring extra power supply. For example, if you're using a truck for off-roading, you can run lights and electric winches while ensuring your starter battery remains charged and ready to go. It allows for additional power management without concern for draining the primary battery. -
Question:
Where can I buy the Dual Battery Isolator 12V 140 Amp?
Answer: You can purchase the Dual Battery Isolator 12V 140 Amp at Ubuy, a reliable e-commerce platform in Brunei. Ubuy offers a wide selection of automotive accessories, ensuring a safe and secure shopping experience. Make sure to check Ubuy for the latest availability and product details.
Afurkuot Battery Switches Editorial Review
The Dual Battery Isolator 12V 140 Amp with Voltage Display offers both auto and manual modes for enhanced battery management in various vehicles like trucks and ATVs. This isolator utilizes a voltage-sensitive relay (VSR) to ensure optimal charging conditions while its durable copper contacts guarantee reliable performance under heavy loads up to 140 amps. Users have appreciated its easy installation on a DIN rail mount, making it highly versatile for automotive, marine, or RV applications. The product is lightweight at just 1.5 lbs, which adds convenience during setup and reduces strain on your system.
Customer Reviews & Ratings
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Pros
- Dual mode for versatile battery management
- Durable copper contacts enhance performance
- Lightweight design for easy installation
- Optimized for trucks, ATVs, and marine use
- High current rating of 140 amps for robust applications
Cons
- User manual could be more detailed for installation guidance
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- 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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BND 48
Order now and get it around Sunday, September 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Keeps primary battery charged for easy starting
- Works as two power sources for each battery
- Compact and convenient for various vehicles
- High performance with zinc and aluminum construction
- Real-time voltage display with voltmeter
- Features manual and auto state functions for user control
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