Feature: 1. One Click Repair Charging: This car battery charger features a high and low frequency pulse repair mode which helps restore drained batteries. 2. Temperature Adaptation Mode: The charger automatically detects the environmental temperature and selects the appropriate charging mode, preventing overcharging in summer. 3. Digital Display: The charger has a digital display that cycles through current voltage, current, battery level, and environmental temperature, providing critical battery and charging information. 4. Short Circuit Prevention: The charger automatically shuts off the output in the event of an accidental short circuit in the output line, offering added security and reliability. 5. Reverse Polarity Proof: Protect against reverse polarity, if the output lines are connected inversely, the charger will shut off automatically and issue an audible warning. 6. Multi Stage Charging: The charger includes sulfation, constant current, constant voltage, pulse, float, and full stop modes, ensuring optimal and safe charging for your vehicle's battery. Specification: Item Type: Battery Charger Output Current: Charging 12V System: 3A 5A 8A 10A, Charging 24V System: 2A 3A 4A 5A Peak Power: AC 200W Efficiency: 85% Input Line Length: Approx. 900mm / 35.43in Output Line Length: Approx. 750mm / 29.53in 5 Charging Modes: for 12V System: 10A, 8A, 5A, 3A, Pulse Repair Mode; for 24V System: 5A, 4A, 3A, 2A, Pulse Repair Mode Compatible Battery Type: 4AH-150AHA Battery (Lithium Batteries is Forbidden) Compatibility: Suitable for various 12V 24V 4AH-150AH batteries, such as car batteries, for AGM start stop batteries, lawn mower batteries, motorcycle batteries, gel batteries, maintenance free batteries. Package List: 1 x Car Battery Charger1 x Manual Note: It is strictly forbidden to charge lithium batteriesIt is strictly forbidden to use it as a starting power supplyIt is strictly forbidden to charge damaged batteriesIt is strictly forbidden to use in humid, high temperature, flammable and explosive environmentsThere is a high voltage danger in the machine, please do not open it without authorization, if there is a fault, please contact usDuring the charging process of the battery, hydrogen gas will escape, and the working environment should be well ventilated to avoid explosion