VEVOR Dual Battery Isolator, 12V 140 Amp, Manual and Automatic VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for Lithium & Lead-Acid Batteries, for Car Truck RV UTV ATV Boat free-shipping Easy wall installation with positioning

Easy wall installation with positioning template and expansion screws for wood or concrete

Suitable for rooms up to 50m²

Professional rubber squeegee delivers streak-free

Rust-proof and weather-resistant metal frame

Built-in thermally-insulated cooler bag to keep food and drinks cold

VEVOR Dual Battery Isolator, 12V 140 Amp, Manual and Automatic VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for Lithium & Lead-Acid Batteries, for Car Truck RV UTV ATV Boat free-shipping Easy wall installation with positioningKeep your vehicle or off grid system running reliably with automatic battery management that switches between your main and auxiliary batteries based on voltage levels. The manual override lets you reverse charge a dead battery without jumper cables, while the intelligent delay function and dual voltage display help you monitor system health and avoid costly damage from repeated switching. 140 amp capacity with manual and automatic VSR modes