Features: It is used when two batteries are used in a car yacht, suitable for current between 100-120A, instantaneous maximum current 125A. When the battery power is low, disconnect the auxiliary battery, first ensure the main battery charging and work. After the main battery is full, automatically charge the auxiliary battery does not affect the power supply of electric equipment. When not charged automatically cut off the connection of the main and auxiliary batteries do not worry about the lack of power can not start the engine. This battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV's，marine vehicle, truck, caravan. Specifications: Color: black Material: plastic Continuous current: 80-100A Instantaneous current: 125A Current consumption-charging: 240mA Current consumption-standby: 8mA Disengagement delay: 5-10 seconds Recommended fuse: 80Amp Power stud: M6 copper screw nut Package size: 7 * 7 * 5.5cm Package weight: 200g Package List: 1 * Dual Battery Isolator