The VECTOR Battery Charger and Battery Maintainer, BC15BV is compatible with 12V AGM/GEL/WET as well as Lithium and LifeP04 batteries. It is a charger, maintainer, reconditioner and quick booster that also helps to extend battery life and reverse battery damage. It is designed for 12-Volt lead-acid batteries and is compatible with all AGM/GEL/WET battery systems. The 50 amp engine start gives you a quick boost of power to jump start vehicles in 60 seconds. The Smart Charge feature automatically selects charge rate and adjusts from rapid charge to trickle charge to maximize battery life and compensates for low voltage and temperature extremes. The alternator test lets you know when the alternator is operating out of range. The integrated battery voltage tester automatically checks battery and indicates battery voltage level. Electric pulse technology acts as a battery reconditioner and can help reverse sulfate build-up on battery plates to improve charging carrying capability and extend battery life.