【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 charged ,the screen display"100% " And automatic stop when fully charged. 【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 12V24V batteries(Wet,MF,gel,VRLA and flooded), 12.6V Lithium battery, AGM/EFB battery. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage. 【Smart SIX Protections, Ensure 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 variety of harsh voltage environments, quickly charge the battery. 【Pulse Repair and Maintainer】- Repair activates your battery with a unique battery protection feature that allows you to quickly and safely charge your battery for any lead-acid, liquid-rich (WET), GEL, calcium deep cycle, VRLA, 12.4-12.8V lithium polymer, maintenance-free, and AGM batteries with capacities up to 6-105Ah (ampere-hours).