
Not sure what dual battery system is best for your vehicle? Let Shaun Whale explain more.

It is better than a diode battery isolator due to the voltage drop associated with diode type isolation. Browse the range of Redarc battery chargers, jump starters, brake controllers and other 12V accessories in store or online at Repco today.


Primarily used in commercial vehicle dual battery systems, it incorporates electronic components that will prevent the solenoid from generating high voltage transients. The SBI212 provides 12 volt DC incorporating 200A of continuous ratings, the battery isolator is designed for extremely heavy-duty operations. The REDARC Smart Start® SBI212 is a battery isolator used as a solenoid priority system to protect that start battery from excessive discharge while the auxiliary battery is supplying non-essential loads.
