ProSport 1.5A Multi-Use Maintainer - 120V - 1-Bank. ProSport 1.5 Amp fully automatic maintainer is an innovative multi-use charger designed for maximum utility. Concealed mounting holes allow the ProSport 1.5 to be installed on-board or to be used as a portable, with rear die cut foam resting pad. Ring terminal and DC clamp quick connect cable assemblies included. Our marine grade design is weatherproof, water resistant to IP 65 and can be used in all fresh and salt water outdoor and indoor applications as needed. Designed to keep 12V batteries fully charged during short or long term storage periods, ProSport's Energy Saver mode will monitor and auto maintain a battery when needed to maintain a full state of charge. ProSport 1.5 significantly reduces AC Power consumption, lowers operating costs and maximizes reserve power performance.. Features:. Fully automatic energy saving design. Multi-use design, easily configures for on-board or portable use. Concealed mounting holes & die cut fo