Sold by VEVOR Official Store
^Use the discount code “FIRSTSALE” to reduce the current website prices of eligible products by 5% at checkout. Discount cannot be used in conjunction with other promotional offers. Dick Smith New Zealand has millions of items available for sale, and some current website prices may change while this offer is available, and/or may have changed recently. Promotion applies to prices at time of checkout, as displayed at checkout. Eligible products are only available while stock lasts. Discount is applicable for FIRST customers only. For a list of eligible products, click here. The discount code “FIRSTSALE” will expire at 11:59PM (AEST) 20 APRIL 2026 unless extended. Discount codes cannot be used in conjunction with any other offers. For instructions on how to redeem a discount code, click here.
Smart Adaptability, Effortless Travel: Do you need more amperage for additional devices? When a standard 140A battery isolator isn’t enough, our 250A battery smart isolator is the ultimate solution for large-capacity dual battery systems! Not only does it ensure a stable power supply, but it also automatically adjusts to 12V or 24V systems without any manual intervention needed. Simplify your setup and travel with confidence!
Real-Time Monitoring, Control at Your Fingertips: Stay informed and in control with dual LED displays that offer clear, at-a-glance monitoring of both main and secondary battery voltages. Keep tabs on your vehicle’s status anytime, anywhere, and never worry about running out of power again. You will always be aware of battery levels!
Smart Charging, Reliable Protection: Empower your journey with intelligent charging technology. Our dual battery isolator starts charging the main battery at 12.8V and automatically detects low voltage in the secondary battery to initiate intermittent charging. It ensures stable and reliable power support, keeping your vehicle in peak condition at all times. Travel with the peace of mind that your vehicle is always operating at its best.
Installation Made Easy, No Complex Steps: Install with ease and hit the road faster with our user-friendly design. Simply connect the input and output power wires, and you’re all set. Our system is designed to effortlessly accommodate any type of vehicle, saving you time and effort. Enjoy the driving experience without the hassle of complicated setups!
Compact Versatility, Multi-Device Compatibility: Compact size fits seamlessly without taking up precious space. Our voltage sensitive relay battery isolator is compatible with various dual battery systems. Whether it’ s for off-road vehicles, campervans, motorhomes, boats, yachts, or even compressors, it excels in adaptability. Discover the ideal blend of size and function!
1 x Dual Battery Isolator
This product is sold by a third-party seller and they are responsible for their product, the content of their listing and any exchanges or returns of their product.
All products sold by third-parties are subject to the Customer Charter and comes with guarantees that cannot be excluded under the Australian Consumer Law.
Save with FIRST
Save $3 on non-member price
Earn $0.76 Rewards Credit
Bonus $10 Credit^
^FREE 14 day trial. FIRST will be charged $129 / 365 days after free trial, cancel anytime. T&Cs apply, click for details.
Leaves warehouse in 1-3 business days