The REDARC Smart Start® SBI12 is a microprocessor-controlled battery isolator designed with advanced electronic components to ensure efficient battery charge management in dual battery setups. This isolator safeguards the start battery from excessive discharge, allowing the auxiliary battery to power non-essential loads.

+ MAX. INRUSH CURRENT: 400A
+ MAX. CONTINUOUS CURRENT: 100A
+ TURN ON VOLTAGE: 13.2V
+ TURN OFF VOLTAGE: 12.7V
+ TURN ON DELAY: 5 seconds
+ TURN OFF DELAY: 10 seconds
+ STANDBY CURRENT: <5mA
+ WEIGHT: 7 oz (200 g)
+ HEIGHT: 2.48” (70mm)
+ WIDTH: 2.95” (75mm)
+ DEPTH | LENGTH: 3.15” (80mm)
+ SYSTEM VOLTAGE: 12V
+ OUTPUT VOLTAGE: 12V DC
+ INPUT FUSE RATING: 100A
+ OUTPUT FUSE RATING: 100A

Ideal for use in 4WD and commercial vehicles, this isolator offers superior performance compared to diode isolators, with silver contacts for extended durability. It features fault detection capabilities, alerting users to voltage drops, over-voltage situations, and excessive current draw. The compact size and overmold design make installation simple, while power-saving technology, fault indication, and surge protection ensure reliable operation. Suitable for marine applications, the SBI12 comes with a 2-year warranty, providing safe maintenance of your dual battery system.