Porsche Input: 120 Volts AC, 60Hz. Output: 12 Volts DC at 750mA. For all lead-acid, flooded or sealed maintenance free batteries. Complete 4-step charging program (initialization, bulk charge, absorption mode, float mode). Automatically switches to float / maintenance voltage after fully charging the battery. Solid state two color LED indicates stage of charger. Spark proof and reverse polarity protected. 12 foot output cord. Includes: (1) Ring Terminal Harness, (1) Alligator Clip Harness.