Collection: Dual Battery System

A dual battery system is an electrical setup commonly used in vehicles, RVs, boats, and off-grid systems to provide additional power capacity and reliability. This system allows the use of a secondary battery to power auxiliary equipment without draining the primary starting battery.

This collection includes complete dual battery solutions: iTechworld GoFurther battery boxes and under-bonnet kits, Enerdrive eSYSTEM pre-wired power systems with AC/DC charging, solar regulators and battery monitors, the Enerdrive DIY Dual Battery Kit, and Projecta electronic isolator and VSR kits. Whether you're fitting out a 4WD, ute canopy or caravan, Voltage Electrical Supplies has the parts to build a dependable auxiliary power setup.