For Wet Cell and AGM batteriesWaterproof, for fresh & salt water useFully automatic w/Independent outputBattery maintenance modeTwo year warranty5' DC charge & 3' AC power cablesLED state of charge lightsCE approved, meets ISO 8846 Marine standardsReverse polarity protectedIgnition protected (US Coast Guard 33 CFR 183.410)FCC 15 Parts A and B Interference compliant