Watch this RZR 800 owner on how he installed the True Smart battery isolator system
True Universal dual battery isolator kit upgraded version that works best with UTV
comes with necessary cables and smart isolator to connect to batteries.
Keep you from being stranded out in the woods with the dead battery. What it does it goes between the primary and auxiliary battery.
When the voltage is over 13.4volts it automatically charges both batteries to stay with
When the voltage drops below 12.9volts it will disconnect the auxiliary batteries so your primary battery is still charge
All you radio, stereo, and winch are connected to the auxiliary battery.
For the auxiliary battery the customer goes with this brand: ODYSSEY