General description This Mophorn Split Charge Relay Kit is a 12V automatic dual battery isolator designed for efficient power management in various vehicles, including RVs, marine vessels, cars, trucks, caravans, campers, yachts, and ATVs. It allows your accessories to operate using a secondary battery when the engine is off while maintaining the charge of the primary battery, ensuring your vehicle is always ready for use. Technical specifications Model: JDQTJ-4M Rating Voltage: 12V DC Continuous Current: 140A Intermittent Current: 160A Cut-in Voltage: 13.3V Cut-out Voltage: 12.8V IP Rating: IP65 Material: Nylon Plastic Current Draw-Charging: 280mA Current Draw-Standby: 8mA Power Studs: M6 Stainless Steel Delay Time: 5 Seconds Disengage Delay: About 5-10 Seconds Operation Temperature Range: -30 to 105℃ / -22 to 221℉ Item Dimensions (L x W x H): 2.66 x 2.11 x 2.66 in / 6.76 x 5.36 x 6.76 cm Net Weight: 4.14 lbs / 1.88 kg Compatibility and accessories This dual battery relay kit is