ProMar1 DS Digital - 5 Amp - 1 Bank ChargerProMar1 DS Generation 3 reflects a new outward design taken to the next level in performance with its all Digital Charging Technology. Fully Automatic with a 4-Stage Digital Charging algorithm proven to extend battery life. Sequential modes of Analyzing, Charging, Conditioning and a built-in Auto Maintain mode, safe for short and long term storage periods ensures your batteries are fully charged and maintained.Features:Fully Automatic 4-Stage CharginDual Mode Charge Status IndicatorBattery & Wiring Fault DetectionRugged Shockproof ConstructionAuto Maintain/Energy Save Mode Extends Battery LifeSafe for Long and Short Term StoragePre-Wired with Waterproof Inline DC Fuses and Nickel Plated Copper Ring TerminalsBuilt-in SafetyQuiet EMI Design meets US FCC Emissions RequirementsWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.