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The REDARC Smart Start® SBI212D is a microprocessor controlled dual battery isolator used in a dual battery system. It is designed to be used as a solenoid priority system to protect the start battery from excessive discharge while allowing the auxiliary battery to supply non-essential loads. The SBI212D provides 12 volt DC incorporating 200A of continuous ratings and is designed for extremely heavy-duty operations.
The dual sensing model has the added feature of allowing charge both ways where the auxiliary battery may also be charged by an external source such as Solar panels or an external AC battery charger. The SBI212D will also allow the start battery to be charged by the external source once the auxiliary battery reaches 13.2 volts to help top up the start battery.
Power Saving Technology
The Smart Start SBI212D incorporates electronic components that will prevent the solenoid from generating high voltage transients. It is better than a diode battery isolator due to the voltage drop associated with diode type isolation. It features sophisticated fault detection and LED indication of operation to warn the user of faults including over-voltage, voltage drop and excessive current draw conditions.
Used primarily in 4WD and commercial vehicles, the Smart Start SBI is a safe way to charge an auxiliary battery.
To view product flyer, click here.
See the correct way to mount a Smart Battery Isolator
See a basic Smart Battery Isolator install
For reviews on the Smart Start Battery Isolator, watch the below
Explaining offroad battery chargers - with Patriot Campers
Review by Pat Calinan from 4x4 Adventure
REDARC Smart Start Dual Battery Isolator Features with Carlisle Rogers 4WD Touring Australia
The difference between a REDARC SBI & BCDC with 4WD NZ