The Battery Tender Battery Charger 022-0196 is a high-quality, fully automatic charger designed to charge and maintain 12-volt lead-acid batteries. It features a four-step charging program that automatically switches to float mode after reaching full charge, preventing overcharging and extending battery life. The charger also has reverse polarity protection and spark-proof technology for added safety. Its compact size and quick-connect harness make it easy to use and convenient for a variety of applications, including motorcycles, ATVs, and lawn mowers.