---
product_id: 4354255
title: "12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV"
brand: "zzp"
price: "R171"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/4354255-12v-dual-battery-isolation-kit-with-140a-smart-battery-isolator
store_origin: ZA
region: South Africa
---

# 12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV

**Brand:** zzp
**Price:** R171
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV by zzp
- **How much does it cost?** R171 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/4354255-12v-dual-battery-isolation-kit-with-140a-smart-battery-isolator)

## Best For

- zzp enthusiasts

## Why This Product

- Trusted zzp brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type | Through Hole |
| Contact Material | Silver Cadmium Oxide |
| Contact Type | Normally Open |
| Current Rating | 140 Amps |
| Mounting Type | Panel Mount |
| Brand | ZZP |
| Operation Mode | Automatic |
| Wattage | 16.8 watts |
| Coil Voltage | 12 Volts |
| Contact Current Rating | 140 Amps |
| Maximum Switching Voltage | 12 Volts |
| Minimum Switching Voltage | 12 Volts |
| Specification Met | certified frustration-free |
| Manufacturer | True Amalgamated |
| Item Weight | 3.99 pounds |
| Package Dimensions | 9.1 x 8.3 x 3 inches |
| Item model number | DBKIT |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | DBKIT |
| Voltage | 12 Volts |

## Product Details

- **Connector Type:** Through Hole
- **Contact Material:** Silver Cadmium Oxide
- **Contact Type:** Normally Open
- **Current Rating:** 140 Amps
- **Mounting Type:** Panel Mount

## Images

![12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV - Image 1](https://m.media-amazon.com/images/I/71G+ZQOVn-L.jpg)
![12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV - Image 2](https://m.media-amazon.com/images/I/71KIzy1e78L.jpg)
![12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV - Image 3](https://m.media-amazon.com/images/I/71j8McmGJsL.jpg)
![12V Dual Battery Isolation Kit with 140A Smart Battery Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV - Image 4](https://m.media-amazon.com/images/I/416jN8TFaQL.jpg)

## Questions & Answers

**Q: I have an upgraded 160 amp alternator in a GMC 2500HD,,,is there a kit to cover the 20 amp increase?**
A: With the TRUE smart products pass through Amperage is what is the deciding factor.  Most systems are lucky to average 60% pass through amperage in relationship to the rated amperage of the alternator.

**Q: what exactly is a common ground? does this they all need to be connected to the same bolt/screw attached to the frame/chasis? Or same type of metal?**
A: A common ground means all the batteries ground terminals and the isolator ground have to be connected together. This can be via wire or chassis ground.

**Q: What is the length of the ground cable?**
A: The ground cable is 3ft long.

**Q: Can you jump start the main battery with the aux battery?**
A: No, you shouldn't jump start from the Aux. Bat unless you diconnect all wires and use externals to jumpstart your vehicle .

---

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**Shop now:** [https://www.desertcart.co.za/products/4354255-12v-dual-battery-isolation-kit-with-140a-smart-battery-isolator](https://www.desertcart.co.za/products/4354255-12v-dual-battery-isolation-kit-with-140a-smart-battery-isolator)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-23*