1. One-click repair mode charging. Using automatic pulse repair technology, reduce battery heating, reduce battery liquid evaporation, slow down battery vulcanization. 2. Intelligent cooling system. 3. Intelligent detection:The digital display can intelligently detect and display current, voltage, electricity and temperature. 4. Multiple protection functions. 5. Identify the appropriate voltage to work according to the winter and summer mode. 6. Pure lead flexible core wire and fully wrapped alligator clips. 7. Connect the battery, without plugging in the power supply, it can display the remaining power and real-time voltage of the battery. 8. The shell adopts ABS flame retardant shell. 9. Specification: - Input Voltage: AC110-240V - Output Voltage: DC16.8V - Output Current: 6V+/-0.5V - Input Wire Length: 85CM - Output Wire Length: 55CM - Efficiency: 85% - Frequency: 50HZ/60HZ - Battery Support: 4AH-100AH Lead acid battery(Not lithium)