FREE SHIPPING on orders over $99 in Contiguous US* All orders shipped from North Carolina
Low fixed freight for AK, HI, Canada & Mexico
*Excludes heavy and bulky items.
CHRISTMAS SHUTDOWN: Orders placed from Dec 23rd to Jan 2nd will not be shipped until Jan 3rd
FREE SHIPPING on orders over $99 in Contiguous US* All orders shipped from North Carolina Low fixed freight for AK, HI, Canada & Mexico
*Excludes heavy and bulky items.

What is a battery isolator and how does it work?

Looking to add a dual battery system to your 4WD? Shaun Whale from 4WD Action walks you through the basics behind battery isolators so you can choose the best setup for your needs. To find out what 12V charging solution is best for your battery type, alternator and travel needs, use the REDARC vehicle selector tool.