UYYE Battery Disconnect Switch with Voltage Meter Display, 5-80V Car Battery Kill Master Switch Isolator for Negative Terminal, for RV/Truck/Marine, Digital Readout for Battery Health & Safe Storage

Upgrade your vehicle's safety and battery management with our ultimate Battery Disconnect Switch, now with an integrated LED Voltage Display. This isn't just a simple cut-off switch; it's your all-in-one solution for preventing battery drain, performing safe maintenance, and gaining real-time insights into your electrical system's health. Engineered with premium materials and built to deliver Heavy-Duty 250A Continuous Performance, it’s the reliable guardian your car, RV, truck, or boat deserves.

• 【Real-Time Voltage Monitoring & Smart Display】Keep track of your battery's health at a glance! Our battery disconnect switch features a large, clear LED digital display that shows the real-time voltage. The upgraded matte-finish screen resists scratches and reduces glare for easy reading in all lighting conditions. It intelligently powers on (consuming only ~30mA) when the circuit is active and turns completely off with zero power draw when disconnected.
• 【Heavy-Duty Performance for High-Power Systems】Engineered for reliability under extreme loads. This robust switch handles 250A Continuous Current at 12V, with a peak tolerance of 300A for 30 minutes. This superior high-current rating ensures safe and stable performance for demanding applications like RVs, trucks, marine engines, and vehicles with high-power audio systems or winches.
• 【Premium Materials & Safe Construction】Built to last and ensure safety. The housing is constructed from flame-retardant Nylon 66, offering greater strength and durability than common ABS plastic. The critical internal components feature silver-plated copper contacts and terminals, providing excellent conductivity, superior oxidation resistance, and a longer lifespan for reliable power switching.
• 【Flexible Installation & User-Friendly Operation】Designed for a simple and versatile fit. The terminals on both sides are adjustable and can be rotated to fit various angles, making installation in tight spaces a breeze. It fits standard 15–17mm (0.59"–0.67") top-post batteries (please confirm your post size). Operation is simple: a quick clockwise turn to ON, and a counter-clockwise turn to OFF for complete power isolation.
• 【Versatile Use & Worry-Free Vehicle Storage】The ultimate solution for battery protection and safety. Perfect for cars, RVs, boats, trucks, and seasonal vehicles. By completely cutting parasitic drain, this switch extends battery life and ensures your vehicle starts reliably after long storage periods. It also serves as a crucial safety master switch for maintenance, providing peace of mind and security.