Custom-designed to charge and maintain your lead-acid battery, our Cabela's Dual-Stage Regulated Charger vastly outperforms ordinary 12V battery chargers. This 12V, 500mA battery charger utilizes dual-stage charging for better efficiency and reliability. It also boasts several protections: short-circuit, over-current, and over-voltage protection. The 2-color charge-state indicator lets you know status at a glance, and the convenient plastic case provides electric shock protection. Includes battery clamps (alligator clips) for charging. Proven performance for better efficiency and reliability Several protections: short-circuit, over-current and over-voltage 2-color charge-state indicator Plastic case for electric shock protection