Intelligent Detection and Repair: The car battery charger can not only detect the power supply and automatically shut off when fully charged, but also detect seasonal temperature changes and adjust the voltage and current so that the charger can be charged quickly in actual use. The car charger's pulse repair function can help repair the charger fully automatically and maximize battery life. Intelligent LCD Display: This car battery charger automatic data, connect the battery without connecting to the power supply, it can display the remaining battery voltage. Keep track of the battery status and see if the battery needs to be charged. Accurately monitor the CPU temperature, intelligent charging, no need to adjust. How to Use: Connect the red power clip of the charger to the positive pole (+) of the car battery charger, and connect the black power clip to the negative pole (-) of the battery. At the same time, it will automatically enter the battery maintenance mode. It is recommended to fully charge the charger for 24 hours to extend battery life. (For safety, it is recommended to remove the charger after charging for 48 hours.) Multiple Protection: The car battery charger has multiple safety functions, such as spark protection, low voltage, over voltage protection, over current protection, reverse connection protection, short circuit protection, and over temperature protection to ensure your safety. Wide Range of Applications: The car battery charger is suitable for 12V / 24V 2AH-150AH lead-acid batteries and start-stop batteries. The car battery charger supports 110 to 265 input power, can easily cope with various harsh voltage environments, and has a long service life. Extending the life of cars, trucks, motorcycles, lawn mowers, or boats is the best choice. It is forbidden to charge lithium batteries.