This is a kind of fine quality car battery charge device, exquisiteness and mini size body design, automatic quickly charge, and no occupancy of space in your car, satisfy you all kinds of needs. Overcharge, high temperature, overcurrent, reverse connection, short circuit and over voltage will be protected. Features:One button to start/stop, high sensitivity. Overcharge, high temperature, overcurrent, reverse connection, short circuit and over voltage will be protected. 7-stage chargers are suitable for most battery types including Calcium, Gel and AGM, Wet batteries. They may also help restore drained and sulphated batteries. Intelligent digital display, you can see the electricity, current, temperature, and charge process clearly. Compact, lightweight and portable, it is easy to carry. The outer is made of ABS material, insulation and retardant, high temperature. Plug and play, easy to use. The clip is made of copper and aluminum and has fine electrical conductivity. Specifications:? Microprocessor Control (CPU). ? 7-STAGE AUTOMATIC CHARGING:? This is a fully automatic battery charger with 7 charge stages.? Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely.? 7-stage chargers are suitable for most battery types including Calcium, Gel AGM, Lithium, LiFePo4, Wet, lead Acid batteries. They may also help restore drained and sulphated batteries.? Types of batteries: Most types of lead acid batteries including Calcium, Gel AGM, Lithium, LiFePo4, Wet, lead Acid, etc..? Switchmode technology: Yes? Polarity protection: Yes? Output short protection: Yes? Non battery link protection: Yes? Over voltage protection: Yes? Over temperature protection: Yes? Cooling: Fan? Input voltage: 100-240V AC, 50-60Hz? Rated output: 12V 6A 24V 3A? Minimum start voltage: 8.0V? Battery range: 6-120Ah? Thermal protect: 65'C+/-5'C? Efficiency: App. 85%.? Compliant standards: CB,CE, IEC60335, EN61000, EN55014? Dimension (LWH): 16010062mm ? Weight: 470g Packing List:1 * Charge Device