12V 500AMP Dual Battery Isolator Kit, Pure Copper VSR Relay,IP67 Waterproof

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• ✅ Prevent Main Battery Drain & Ensure Reliable Starts Safeguard your RV’s primary starting battery from over-discharging when powering accessories like fridges and lights, so your engine always fires up reliably. Pure copper terminals deliver far better conductivity and corrosion resistance than brass alternatives.
• ✅ Automatic Dual-Battery Isolation (Hands-Free Operation) Works automatically: connects batteries during charging and disconnects when the engine is off. Built with pure copper internal components that outlast brass-equipped competitors, perfect for long RV adventures.
• ✅ Superior Pure Copper Performance Unlike flimsy brass options, our isolator uses high-grade pure copper terminals and connectors, delivering 30% better conductivity, minimal voltage drop, and stronger rust resistance—critical for harsh RV environments.
• ✅ Stable Power for All Your RV Accessories Rated 500Amp for 12 RV setups (campers, travel trailers), it maintains consistent power to your devices while protecting the main battery. Eliminates intermittent power issues caused by brass corrosion, a common flaw in cheaper isolators.
• ✅ Hassle-Free DIY Installation Comes with all required hardware (pure copper lugs, mounting screws) for quick setup. The pure copper build outlasts brass alternatives, cutting down on replacement costs and road trip downtime.