The REDARC Smart Start® SBI2 serves as a microprocessor-controlled battery isolator within dual battery systems, prioritizing solenoid operation. It safeguards the start battery from over-discharge while enabling the auxiliary battery to power non-essential loads. This 12-volt DC device boasts a continuous rating of 100A.

POWER EFFICIENCY Primarily used in 4WD and commercial vehicles, this isolator incorporates electronic components to prevent high voltage transients generated by the solenoid. It outperforms diode-based isolators by avoiding voltage drops. The unit features low standby current consumption, advanced fault detection, and LED indicators for issues like over-voltage, voltage drop, and excessive current draw.

The Smart Start SBI12 battery isolator is a secure method for charging dual battery systems, often complemented by a high-quality fuse kit.

KEY FEATURES Overmoulded design Compact and easy installation Silver contacts for extended durability, suitable for marine use Power-efficient technology Fault detection indication

Weight 0.2 kg
Dimensions 8 × 7.5 × 7 cm
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