Dobinsons 4×4 140 AMP Dual Battery Wiring Kit with LCD Voltage Monitor and Automatic Solenoid


Available on backorder

All made to order products sold fall within manufacturer specified lead times. Please refer to the manufacturer's website for current lead times. We do not stock a large number of our online products. To confirm our in-stock availability, please call or email prior to placing an order.


  • 13.3V cut in, 12.8V cut out, Ignition Protected
  • Includes all hardware, 5m (15ft) cables
  • Reversible LCD Display screen for upside down mounting, if desired
  • Displays both battery readings simultaneously
  • Suitable for 4×4’s, Trucks, Vans, Trailers

This is a complete dual battery kit (without battery tray) which provides automatic voltage sensitive battery isolation through the relay provided. It is ignition protected, includes all installation hardware, generous 5 meter (15ft) long cables to cover rear mounted batteries, reversible display screen for overhead & foot well mounting, and dual voltage display monitor with backlit LCD screen displaying both battery readings simultaneously.

EA80-3830 – Dual battery kit fitting guide

This is an ideal kit for those 4×4 owners who have added a lot of additional 12V accessories on their vehicles, and need to split the load across 2 batteries. This kit includes everything you will need electronically, but you will need to provide your own 2nd battery mount.

The complete kit contains:

140 Amp Voltage Sensitive Isolator

5m (15ft) Heavy Duty Red and Black Cables

10m (30ft) of Split Conduit

Dual-Display LCD Voltage Monitor

2 x Battery Terminals

6 x Cable Lugs and Heat Shrink

Mounting Screws and Crimping Lugs

Additional information

Weight 13.000659601042 lbs