General description This 12V 6A - 24V 3A Car Battery Charger is a fully automatic smart charger designed for charging lead-acid and lithium batteries. It features 7 charging stages to ensure optimal battery health and prevent overcharging, allowing you to leave it connected indefinitely. Technical specifications Input Voltage: 12V/24V Output Current: 6A (12V), 3A (24V) Charging Stages: 7 Compatible Battery Types: Lithium batteries, most types of lead-acid batteries including calcium, GEL, AGM, wet batteries, and EFB batteries Compatibility and accessories Package Includes: 1 x Smart Car Battery Charger, 1 x Charger Instruction Manual Installation Connect the red clip to the battery positive terminal (+) and the black clip to the negative terminal (-). Turn off the power before connecting or disconnecting the battery. Usage This charger can help repair dead and sulfated batteries. It cannot activate a dead battery or repair a seriously damaged battery; nor can it repair a 100% new