PulseTech PowerPulse Battery Maintenance System Works on all lead-acid batteries including conventional flooded, sealed maintenance-free, VRLA, AGM, hybrid, antimony, and calcium-plate designs Ensures peak battery performance by eliminating the main cause of lead-acid battery problems and failure-sulfation buildup on battery plates Increases battery life span up to five times longer Provides greater charge acceptance so batteries recharge faster Helps protect the environment by preventing premature battery disposal