[Intelligent digital display] - The LCD display can Display Battery Voltage,Charge Current & Cumulative charge, easy to operate, intelligent charging, without manual adjustment, once the battery is fully ,the screen display\100% \ and automatic stop when fully .[Multiple Functions] - Fully automatic high frequency charging delivers 4 stage charging, automatically switching from fast charge, to top-off, then to trickle charge. Pulse repair function can help to repair your loss battery and extend battery life.[Universal Compatibility] - Our Battery chargers can charge all 12V 24V batteries(Wet,MF,gel,VRLA and flooded), 12.6V Lithium battery, \/ battery. Perfect for keeping your vehicles fully- and maintained during year-round battery maintenance or long-term storage.[Smart SIX Protections, safe charging ] - Short Circuit protection, Polarity error protection, Overheating protection, Over current protection, low-voltage protection, Over voltage protection.[Automatic Charging Mode Fast Charging ] - Automatic detection of 12V or 24V battery, automatic monitoring of the entire charging process through a microprocessor-controlled program. The car charger is designed for 12V\/24V batteries. Input voltage: 110-250V AC. Automatically adjust the charging current, easy to deal with a of harsh voltage environments, quickly charge the battery. to keeping the battery lasting is regular charging. If you have a battery charger which suits your battery,you will be to catch unexpected situations! Besides, good chargers are considered good for extending battery life.How to use\ Maintenance mode\?A :Normally, after choosing the correct type of battery, it can be charge, it will stop when full.It is smart and convenient .B:In winter, the temperature is low, or the battery hasnot been used for a long time, or the battery is with large internal resistance. In this case, use the Maintenance mode to charge the battery., choose the right type of battery, then press the Maintenance button. It will start working. When Maintenance is complete (It takes about 1 hour), It will change to smart charging automatically, full will stop.Battery Capacity: 4Ah-105AhAC Input: 110-250V 50\/60HzPlug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on.Colour: as shownMaterial: metalPackage Contents:1 * Car battery chargerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.