Dyno Racing 12V 140A Dual Battery Isolator Kit – VSR For Car, ATV, UTV, RV, Boat

Running dual batteries in your vehicle?

This Dyno Racing smart isolator kit makes it easy.

It's a voltage-sensitive relay (VSR) rated for 12V systems, with a continuous current of 125A and intermittent up to 140A.

It automatically combines your batteries when charging and isolates them when the voltage drops, so you never kill your starter battery.

Perfect for cars, ATVs, UTVs, RVs, boats, and campers.

It's a smart isolator, part number 102275.

Comes with a 6-month warranty.

Simple, effective, and takes the guesswork out of managing two batteries.

Get yours and power your accessories with peace of mind.