ACR-300 Automatic Charge Separator 300 AMPThe ACR-300 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging only the starter battery first and protects from excessive discharging of the starter battery. The Automatic Charge Separator is also referred to as a battery separator, battery isolator, or an automatic charging relay.Features:Microprocessor-controlled, dual-sensingStarter battery priorityEasy to install does not require changing the existing circuit or the alternatorPotted, waterproof, sealed unitLow standby currentAutomatic detection of 12 or 24 VDC systems300 Amp continuous ratedOver-voltage protectionBuilt-in status LEDSpecifications:Input: 12/24 VDCOutput: 12/24 VDCAmps: 300Dimensions: 170 x 82 x 65 (mm)Dimensions: 6.69 x 3.23 x 2.56 (in)Weight: 1.97 (lbs)Weight: 0.895 (kg)2 Year Limited WarrantyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.