Redarc Dual Battery Isolator
11 productsGo Further with REDARC Dual Battery Isolators – Power Your 4WD Adventure
When you're off the beaten track, the last thing you want is a dead battery cutting your adventure short. REDARC’s Smart Start (SBI) dual battery isolators ensure your secondary battery never drains your main battery, keeping you powered up for longer whether you're running a fridge, lights, or essential camping gear.
Why Choose REDARC?
🔋 Smart Protection – Microprocessor-controlled to prevent excessive discharge, ensuring your start battery is always ready to go.
⚡ Dual-Sensing Technology – Allows charging from solar panels or other sources, keeping your auxiliary battery topped up.
🚦 Built-in Fault Detection – LED indicators alert you to voltage drops, over-voltage, and excessive current draw, so you stay informed.
🛠 Easy to Install – Compact, reliable, and designed to fit seamlessly into your 4WD setup.
Everything You Need in One Kit
For a hassle-free installation, grab the REDARC Smart Start Battery Isolator and Wiring Kit it’s plug-and-play and comes with everything you need to get started. Need help? Our Support section has step-by-step guides, videos, and expert advice.
Power Up Your 4WD Setup
Not sure which dual battery system suits your rig? Use the free REDARC Dual Battery Selector Tool to find the perfect match. For the ultimate off-grid power, check out our lithium deep-cycle batteries.
And if you're towing, don’t forget to pair your setup with REDARC’s Tow-Pro range the most advanced trailer brake control system for a safer, smoother ride.