About this item: Clever Design: High current 150 amps, universal voltage 12V/24V, LED display can monitor the voltage of two batteries in real time, equipped with emergency button, if the engine cannot be started when the primary battery is dead, just press the emergency button to turn on the auxiliary battery to start the engine Applicable to Lithium Batteries: The dual battery isolator adds a lithium battery connection cable, so it can be applied to vehicles with lithium batteries to maintain the stable performance of the car battery, this product has 4 fixing holes for easy installation Full Coverage: Dual battery isolators the main battery is always and ready to start the vehicle, just like your vehicle has two power sources for each battery and only one alternator Wide Range of Applications: The battery isolation kit is designed to be small and exquisite, does not take up space, and is compatible with a of vehicles, such as 12V/24V trucks, ATVs, UTVs, boats, RVs, caravans, SUVs , campers, etc. Applicable voltage: Dc12v/24v Working current: 150A Applicable batteries: lead-acid/lithium iron battery Universal current: 300A (10 seconds Pull-in voltage: 13.8V/27.6V (1 minute delay) High voltage disconnect: 16V/32v (no delay) Disconnect voltage: 12.8V/25.6V (5 minutes delay) Standby consumption: less than 15MA Work consumption: less than 500MA (instantaneous Working temperature: -20C-85C Installation screw: Installation hole distance: 13.4cM Product application: 12/24v universal/universal lead-acid lithium iron battery, suitable for cars, trains, off-road vehicles, and RVs Material: Metal colour: Black Package Contents: 1 x Dual battery Isolator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.