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FJ Cruiser Dual Battery Systems


Product Image Item Name
FJ Cruiser Stage 1 Dual Battery System

FJ Cruiser Stage 1 Dual Battery System

Stage 1 - Good This package includes everything to install and operate dual batteries. With the Stage 1, the batteries are wired in a parallel configuration. This keeps the batteries combined at all times for additional capacity when running a winch, lighting or stereo. This keeps the voltage up...
FJ Cruiser Stage 2 Dual Battery System

FJ Cruiser Stage 2 Dual Battery System

Stage 2 - Better This package includes everything to install and operate dual batteries including isolate them. The Stage 2 is designed to be wired into the vehicles OEM ignition wiring to isolate/combine the batteries depending on key switch position. When the key is in the "RUN" position, the...
FJ Cruiser Stage 3 Dual Battery System

FJ Cruiser Stage 3 Dual Battery System

Stage 3 - Best This premium package includes everything to install and operate dual batteries including isolate them. The Stage 3 includes an upgraded electronics package to featuring our own standalone battery management module. This module is standalone and does not require any wiring to the OEM...