DeWalt 4 Amp Waterproof Portable Car Battery Charger

The DEWALT professional 4 Amp waterproof battery charger features a robust waterproof design and with waterproof connectors make this charger ideal for even the most challenging environments. Suitable for many marine applications, trailer transport or any other job where normal chargers would not stand up to the environment. This maintainer/charger is fully automatic and incorporates true high frequency technology, to deliver and maintain the charger and in a wide variety of 12-Volt batteries.