Stanley 12-Volt Waterproof Car Battery Charger and Maintainer

The Stanley BC209W 2 Amp Battery Charger/Maintainer is designed for use with all automotive/marine 12-Volt AGM, GEL and WET batteries. Featuring a magnetic back and hanging hook with plastic-coated battery clamps and O-rings. Comes in an impact-resistant polymer housing that's sealed for moisture, dust and oil protection.