*KeyFeatures *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! ******************************************************************************************************* *Specifications Item Model Number: OT029 Main Battery Charging Voltage: 12.8V Maximum Charging Current: 250A Applicable Battery Voltage System: 12V/24V Storage Battery Main Material: Aluminum Alloy Product Weight (with all accessories): 1.7 lb / 0.77 kg Item Dimensions (L x W x H): 5.9 x 5.4 x 1.8 in / 150 x 137 x 46 mm ******************************************************************************************************* *Pakcage Content 1 x Dual Battery Isolator