[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-105Ah AC Input: 110-250V 50/60Hz Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on. Colour: as shown Material: metal Package Contents: 1 * Car battery charger Only 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.