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.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.