Vevor Battery Isolator Kit 12V 140A Dual Battery Isolator with Manual and Automatic VSR New
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Product Overview
The Vevor dual battery isolator kit is designed for 12V systems and supports efficient charging management for main and auxiliary batteries. It is compatible with lithium and lead-acid batteries and features manual and automatic operating modes for flexible control. A built-in LCD screen displays the real-time voltage of both batteries, while adjustable delay timing helps reduce frequent switching. Its durable shockproof and dustproof construction makes it suitable for UTVs, RVs, trucks, boats, and off-grid systems. The complete kit includes cables, connectors, and installation accessories for setup.
Brand new
1 year factory warranty
Manufacturer direct shipping from CA, NJ, & TX
Authorized Vevor Dealer
Features
- High Battery Compatibility: Our dual battery isolator kit can adjust start-stop voltage, compatible with lithium, lead-acid and other battery types. No compatibility worries, it provides optimized charging experiences to maximize battery lifespan
- Manual & Automatic Modes: No more breakdowns! This voltage sensitive relay enables one-click switching to manual mode, letting your fully charged auxiliary battery reverse-charge a depleted main battery. No jumper cables needed—start the vehicle instantly
- Intelligent Delay Function: With an adjustable delay time of 3-60 seconds, this VSR isolator effectively avoids frequent switching, significantly extending the service life of the isolator and battery
- Dual Voltage Display: The high-brightness display shows the accurate voltage of the two batteries in real time (range 4.5V-20V). Our 12v split charge isolator kit can easily diagnose circuit problems and confidently master the system status
- All-Round Protection: Featuring overvoltage and undervoltage protection, the dual battery smart isolator is sturdy, durable, shockproof, and dustproof. It provides stable and reliable power for your RV, truck, boat, or off-grid system. Package includes: 1 x 140A smart lithium battery isolator (with mounting screws), 1 x 20 ft (6 m) 6 AWG red cable, 1 x 2 ft (0.6 m) 6 AWG black ground cable, 3 x pure copper connectors, 2 x heat shrink tubing, 4 x cable lugs, 6 x zip ties
Specifications
| Item Model Number | VSR003-1 |
|---|---|
| Rated Voltage & Current | DC 12V 140A |
| Rated Current | 140A |
| Color | Black |
| Main Material | Plastic PA6 Isolator + Copper Wire |
| Net Weight | 3.5 lbs |
| Product Dimensions | 3.1 x 2.8 x 2.4 in |
| Cable Length | 20' red cable and 2' black ground cable |
| Cable Gauge | 6 AWG |
| Voltage Display Range | 4.5V-20V |
| Adjustable Delay Time | 3-60 seconds |
| Battery Compatibility | Lithium and lead-acid batteries |
| Package Type | Complete Kit |
|---|
Package Contents
1 x 140A smart lithium battery isolator with mounting screws
1 x 20' 6 AWG red cable
1 x 2' 6 AWG black ground cable
3 x pure copper connectors
2 x heat shrink tubing
4 x cable lugs
6 x zip ties
Warranty
This item comes with a 1 year factory warranty.

