12V 140A แรงดันไฟฟ้า Sensitive แบตเตอรี่รีเลย์ Isolator ชาร์จอัตโนมัติรีเลย์อุปกรณ์เสริมรถยนต์รถเครื่องถ่ายทอดกระแสไฟฟ้าแบตเตอรี่

12V140A Voltage Sensitive Relay Battery Isolator Automatic Charging Relay Car Accessories Car Battery Relay. 12V140A Voltage Sensitive Relay Battery Isolator Automatic Charging Relay Car Accessories Car Battery Relay. ZERO VOLTAGE DROP: Forget the traditional diode relays and so-called solid state devices that can rob you of almost 2 amps of output power The Dual Battery Isolator is the only unit designed with cutting edge programming to deliver performance-with ZERO sacrifice. This compact battery isolator was built ultra-small 2.6inch x 2.6inch x 2inch to fit almost anywhere A perfect fit under the hood to get close to your dual batteries. VOLTAGE SENSITIVE RELAY: The Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage Sensitive Relay cuts in at 13.3 volts and cuts out at 12.8 volts to ensure your primary battery is always charged and ready to start your vehicle. It's like having two separate power sources for each battery while only having