Features: 7-stage automatic charging:This is a fully automatic battery Charging with 7 charge stages. Automatic charging protects your battery from being overcharged. So you can leave the Charging connected to the battery indefinitely. 7-stage chargers are suitable for most battery types including calcium, gel agm, wet,lifepo4, lead acid batteries. They may also help restore drained and sulphated batteries. The digital LCD display screen clearly displays the charging, battery voltages/current, and battery, providing visual feedback and diagnostic information even in maintenance mode. Even in the dark, you can clearly read the voltages, current, and charging process. The charging cable contains heat-resistant and oxidation-resistant copper wire, which is not easy to break, and the Charging have the functions of over-current protection, short-circuit protection, reverse connection protection, over-heating protection, over-voltages protection, and under-voltages protection. Specifications: Material:ABS Input voltages: AC100-240V, 50-60Hz Rating output: 12V 20A , 24V 10A Minimum start voltages: 5.0V Battery range: 6-300Ah Package Includes: 1Set Car Battery Charging note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.