The OptiMate O-97C12 uses the 12V MagCode® clip to provide a short-circuit-proof, self-seeking magnetic battery charger connection. LENGTH: 30″/75cm CONNECTORS: 12V MagCode clip to SAE CABLE DESCRIPTION: 16AWG (1.32 mm2) SPT2-W USE: -40°C/-40°F low-temperature use STYLE: Includes protective cover for OptiMATE heavy duty SAE connector.