Features Automatic Dual Battery Isolation: This kit automatically combines two batteries when charging and isolates them when not charging, ensuring efficient power distribution and control. Zero Voltage Drop: Unlike battery isolation diodes, this dual battery isolator has no voltage drop, maximizing power efficiency and performance. Flexible Mounting Options: The isolator offers or damage mounting options, providing installation flexibility and convenience. Low Power Consumption: In storage mode, the isolator achieves 0 power consumption when the engine is off, ensuring energy efficiency and prolonging battery life. Tested for Quality and Reliability: This relay has undergone computer testing, ensuring stable quality and high reliability. Made of ABS and brass materials, it guarantees long-lasting and strong performance. Features: 1、This dual battery isolator automatically combines two batteries when charging, and isolates two batteries when not charging. 2、Compared with the battery isolation diode (0.6V), the dual battery isolator has no voltage drop. 3、The or damage mounting option of the dual battery isolator provides flexibility during installation. 4、The storage mode of the dual battery isolator will achieve 0 power consumption when the engine is off. 5、This dual battery isolator has different power consumption rates in different modes. Specification: Item Type: Double Isolator Material: Plastic Rated Voltage: DC 12V Combined/Open Circuit Voltage: DC 13.3V/12.8V Continuous Rated Current: 125A Interrogation Current Rating: 140A Power Consumption: 10mA (standby)/330mA (pull-in)/0mA (storage mode) Package List: 1 x Relay 2 x Long Screw 2 x Short Screw 2 x Gasket 3 x Nut 1 x Connector 1 x User Manual 1 x Bottom Shell Package List 1 x Relay 2 x Long Screw 2 x Short Screw 2 x Gasket 3 x Nut 1 x Connector 1 x User Manual 1 x Bottom Shell