12V 140A Smart Dual Battery Isolator VSR with LCD Display
12V 140A Smart Dual Battery Isolator VSR with LCD Display
12V 140A Smart Dual Battery Isolator VSR with LCD Display
Keep your vehicle's electrical system running efficiently with this 12V 140A Smart Dual Battery Isolator. Featuring a built-in LCD screen and Voltage Sensitive Relay (VSR) technology, this intelligent split charge relay automatically manages charging between two batteries — ideal for RVs, caravans, boats, yachts, ATVs, UTVs, off-road trucks, and more.
Key Features
- Intuitive LCD Display: Real-time voltage monitoring for both BATT1 and BATT2, with readings ranging from 4.5V to 20V. Know your battery status at a glance.
- Adjustable Voltage Thresholds: Customize the engage and disengage voltage levels to suit your specific battery setup and usage requirements.
- High-Current Capacity: Rated at 140A, this isolator handles demanding electrical loads across a wide range of 12V vehicle applications.
- Automatic Operation: The VSR (Voltage Sensitive Relay) automatically connects your secondary battery for charging when the primary battery reaches the set threshold — and disconnects when voltage drops, protecting your starter battery.
- Wide Compatibility: Designed for cars, trucks, caravans, RVs, boats, marine vessels, ATVs, UTVs, and other 12V off-road or recreational vehicles.
- Durable ABS Construction: Housed in a tough ABS enclosure, built to withstand the rigors of automotive and marine environments.
- Compact Design: Dimensions: 68 × 68 × 55 mm (2.68 × 2.68 × 2.17 in), Weight: approx. 200 g — easy to mount in tight spaces.
Specifications
- Voltage: 12V
- Current Rating: 140A
- Voltage Monitoring Range: 4.5V – 20V
- Material: ABS
- Dimensions: 68 × 68 × 55 mm / 2.68 × 2.68 × 2.17 in
- Weight: ~200 g
- Brand: APWIKOGER
- Compatible Applications: Car, Truck, Caravan, RV, Marine/Boat, ATV, UTV, Off-Road Vehicles
What's in the Box
- 1 × 12V 140A VSR Smart Dual Battery Isolator with LCD Display
For guidance on safe electrical practices in automotive and marine applications, refer to the U.S. Consumer Product Safety Commission (CPSC) for general electrical safety standards.
Frequently Asked Questions
Q: What does a Voltage Sensitive Relay (VSR) dual battery isolator do?
A: A VSR dual battery isolator automatically connects a secondary (auxiliary) battery to the charging circuit when the primary battery reaches a set voltage threshold — typically indicating the alternator is charging. Once voltage drops below the threshold, the relay disconnects the batteries, ensuring your starter battery retains enough charge to start your vehicle. This 12V 140A unit also features an LCD display for real-time voltage monitoring of both batteries.
Q: What vehicles and applications is this dual battery isolator compatible with?
A: This 12V 140A Smart Dual Battery Isolator is designed for a wide range of 12V applications, including cars, trucks, caravans, RVs, boats, yachts, ATVs, UTVs, and off-road vehicles. Any 12V vehicle or vessel that uses a dual battery setup can benefit from this VSR isolator.
Q: Can I adjust the voltage thresholds on this isolator?
A: Yes. One of the key advantages of this smart isolator is its adjustable voltage settings. You can set custom engage and disengage voltage levels to match the specifications of your batteries and your unique usage requirements, giving you greater control over your dual battery system.
Q: How do I read the LCD display on this battery isolator?
A: The built-in LCD screen displays real-time voltage readings for both BATT1 and BATT2 simultaneously, with a monitoring range of 4.5V to 20V. This allows you to instantly check the status of both batteries without needing a separate voltmeter, making it easy to manage your vehicle's electrical system on the go.