STANLEY BC8S 8-Amp FATMAX Battery Charger/Maintainer

• Automatically charges & keeps battery at optimal charge;• Sealed & conformal coated to protect against moisture, corrosion, dust & oil;• 3-way charging--battery clamps, 12V DC connector & battery ring terminal;• Charging-mode selector button;• Reverse-polarity indicator;• Automatically compensates for lower voltage caused by extension cords;• Includes power cord, O-rings, 12V DC cord & clamps;