[THE LATEST INTELLIGENT CPU CONTROL] Portable battery charger / maintainer automatically adjusts charging current and maintainability based on temperature. Automatic detection of ambient temperature, so that winter can be at full speed, summer is not overload. Optimized for all climates, easy to manage with a variety of harsh voltage environments. [PULSE REPAIR FUNCTION] Intelligent control system, powerful pulse repair technology, eliminate vulcanization, repair slightly damaged batteries, reduce water loss, provide more powerful engine starts and longer life extended battery life. ➤NOTE: It cannot activate a discharged battery or repair a badly damaged battery. [HIGHLY COMPATIBLE] Suitable for 12V batteries, which makes it easier to use.It works with Calcium, AGM, EFB, MF, FLOODED, VRLA, SLA and Wet batteries, which means it can be used for the batteries of car, truck, motorcycle, RV, SUV, ATV, golf cart, tricycles, agricultural vehicles, buses, etc. ➤NOTE: LITHIUM BATTERY DISABLED. [FULLY AUTOMATIC CHARGER WITH LCD DISPLAY] Battery Chargers Just plug it in and leave it to automatically charge and maintain your batteries for a long time, with a smart digital LCD display showing charge status and battery status. battery, charging voltage, charging current, indoor temperature, summer mode, winter mode, etc. [QUALITY SERVICE] If you are not satisfied with our car battery charger for any reason, please email our customer service! We will provide you with friendly support within 24 hours. We will try our best to solve your problem, you can buy and experience with confidence.