Battery Tender® Weather Resistant 800mA, 12V Battery ChargerThe most inconvenient battery to maintain is the one you cannot easily reach stored in an outdoor shed, kept at a marina slip, locked in a watercraft that only comes out seasonally, or mounted in equipment that lives outside year round. The Battery Tender Weather Resistant 12V 800mA goes where standard maintainers cannot: IP67 rated, permanently mountable, and designed to remain connected through rain, humidity, freezing temperatures, and outdoor