Manual/Automatic Modes, Seamless Switching: Say goodbye to complicated setups with our 12V 140A dual battery isolator!In manual mode, a single button press connects or disconnects your circuit.Switch to automatic mode, providing smart switching without the need for manual intervention.Bid farewell to circuitry woes and upgrade to smoother operations with our voltage sensitive relay (VSR)!

Real-Time Monitoring, Voltage at Your Fingertips: Stay informed and in control with our smart battery isolator, featuring an LED display that provides immediate status updates on your high-voltage battery's health.Keep tabs on your battery's condition at all times, ensuring reliable support throughout your journeys.Enjoy peace of mind and more secure energy usage wherever you go.

Comprehensive Protection, Dual Security: Trust in the smart, secure operation of our voltage sensitive relay isolator, equipped with advanced high and low voltage protection.Anytime voltage is below 11V or above 17V, it automatically disconnects the circuit, protecting your primary battery from deep discharge and your secondary battery from overcharging.Experience enhanced security and lasting performance with every use.

Compact Size, Installation Made Easy: Enjoy hassle-free setup with our compact 140A voltage sensitive relay isolator, which measures only 2.7'' x 2.7'' x 2.2''.It is lightweight, portable, and easy to install for a variety of scenarios.Whether mounted under the hood or inside an off-road vehicle, it works flawlessly with your dual battery system.Small in size, big on performance!

Universal Compatibility for Any Scenario: Our dual battery isolator is engineered specifically for dual battery systems, ensuring simultaneous charging for two batteries without interrupting your device's power supply.Whether in your off-road vehicle, camper, or marine vessel, wherever you go, whenever you need it, it provides stable and reliable power support for your equipment.

VEVOR Dual Battery Isolator Kit, 12V 140Amp, Manual and Auto Modes VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for ATV UTV RV Camper Off-Road Vehicle Caravan Truck Boat Yacht Manual & Automatic Dual Operation Upgraded LED Display High and Low Voltage Protection Stress-Free Installation Silicone Sealed Interior Fit for Dual Battery Systems Cut-In Charging Voltage: ≥12. 3V,Maximum Charging Current: 140A (within 5 minutes),Applicable Battery Voltage System: 12V Storage Battery,Voltage Sensitive Relay Dimensions (L x W x H): 2. 7 x 2. 7 x 2. 2 in/ 68 x 68 x 56 mm,Item Model Number: VSR002,Cut-Out Charge Voltage: ≥12. 6V,Continuous Charging Current ≥100A:,Product Weight (with all accessories): 0. 47 lbs/0. 215 kg,Main Material: ABS