Features: Repair all 12V lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats, etc. Automatically adjusts the charge current and maintainability according to the temperature. Automatic detection of ambient temperature, so that winter can be full speed, summer is not overload. Using a backlit LCD display, the battery charger automotive clearly and visibly shows LCD screen displays charging status and battery status. Reverse protection, cooling system, overcurrent, fireproof material, overvoltage, short circuit. Automatic sulfa-ting and acid stratification detection, One Key to Repair, Activate Battery, Pulse repair function can help to repair your loss battery and extend battery life. Adopt ABS flame-retardant shell, fireproof, electric shock, corrosion resistant, solid and durable.