ApplicationsForbidden to charge lithium battery,Voltages:12V 8A24V 4A, Minimum starting voltage:6-150Ah (Suitable for AGM,GEL SLA VRLA). This 12v/24v smart battery charger can detect and fix battery problems and extend the life of batteries in vehicles, trucks, motorcycles, boats, 4x4s Multi-protections Protections for spark, overload, misconnection of positron and negatron, short circuit, overheat, the charger protects your safety well. Besides, the fans on both sides of the charger can avoid overheating during charging, thus extending the service life. battery life Intelligent LCD DisplayThis car battery charger can automatically detect the outside temperature, so to make changes between winter and summer modes, you can change the currents and voltages without using the manual fixing,Once the battery is full,current charging will stop automatically.Data of temperature,voltage,current including battery volume will be renewed and displayed automatically. Voltage Detection Repair FunctionHigh frequency and low frequency pulse technologies are strong in recovery and activation, suitable for low voltage batteries and batteries that have not been used for a long time, and damaged batteries, and you can also see the remaining voltage without connecting to current sources, thus, it allows you to see the battery status to decide whether to charge or not AttentionOn the downloader is a reserve, this battery charger auto is intended to protect the charger. Don't worry. You can see a brand new car trickle charger after you remove that stash there