ProMar1 DS Digital - 15 Amp - 3 Bank Charger ProMar1 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 Charging Dual Mode Charge Status Indicator Battery & Wiring Fault Detection Rugged Shockproof Construction Auto Maintain/Energy Saver Mode Extends Battery Life Sage for Long and Short Term Storage Pre-Wired with Waterproof Inline DC Fuses and Nickel Plated Copper Ring Terminals Built-in Safety Quiet EMI Design Meets US FCC Emissions Requirements WARNING: 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