BLACK+DECKER BC6BDW Waterproof Battery Charger/Maintainer (6 Amps)
0A-6A fully automatic battery charger & maintainer Waterproof--sealed from dust, oil & moisture to prevent corrosion High-frequency technology--user simply hooks it up, plugs it in & turns it on Reverse-polarity protection AC low-voltage compensation ensures maximum performance when used with extension cords Connects to battery via battery clamp or 12V DC accessory plug