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Jeep Dual Battery Isolators - Manufacturer: Painless Wiring

A battery isolator can effectively split the power distribution between your Jeep's main battery and auxiliary batteries.



    • Painless Wiring Digital Power Manager

      • Universal design
      • Dual battery applications
      • Automatically engages auxiliary battery when load is large
      • Will not allow loads on main start battery when power is low
      • Makes the correct decisions for you and your dual battery power and charging needs
    • Painless Wiring Digital Power Manager w/Jump Start (500 amp)

      • Weather proof
      • Can withstand underhood temperatures away with the exception of exhaust heat.
      • Completely automatic charging and automatic battery combining up to 250 amps
      • Optional indicator light included in kit
      • 6 gauge wire (Two 5 foot lengths of red and One 4 foot length of black)
      • Terminals and heatshrink included
    • Painless Wiring 250 AMP Dual Battery Control

      • 3 position switch for different power combinations
      • Minimal alterations to the stock charging system are necessary
    • Painless Wiring 250 AMP Waterproof Dual Battery Control

      • A three position switch enables different power combinations
      • Minimal alterations to the stock charging system are necessary