Intelligent Charging TechnologyUtilizes pulse repair technology to effectively restore and activate undercharged, long-idle, or non-chargeable batteries. Smart Chip with PWMFeatures a built-in intelligent chip with PWM (Pulse Width Modulation) technology, enhancing charging efficiency and automatically adjusting voltage and current to protect and extend battery life. Versatile Charging ModesOffers 4 charging modes: Lithium battery, Standard battery, Smart mode, and Manual mode, catering to various battery types and charging needs. LCD DisplayHigh-definition LCD screen shows real-time voltage and current for easy monitoring of the charging process. Comprehensive ProtectionEquipped with multiple safety features including short circuit, reverse polarity, overheating, overcurrent, low voltage, and overvoltage protection for worry-free operation. Durable ConstructionHigh-quality stainless steel casing ensures durability, corrosion resistance, and efficient heat dissipation with a built-in cooling fan for extended use. Wide CompatibilitySuitable for 12/24V 3-120Ah batteries in cars, trucks, motorcycles, trailers, including lead-acid, dry cell, flooded, maintenance-free, and 12.6V lithium batteries. Specifications: Material: Stainless steel Input voltage: 110-250V Output voltage: 12/24V Working current: 12.0V-10A/24.0V-7A Power: 120W Working temperature: -30-50