Description
Short circuit, over-charge, and over-heat protection,very safe. || After fully charged one time, can keep about months.Noraml use can keep 3-5years. Start car at one time on cold & hot areas. || Very connvenient.can be charge at home(100-240V) and car.Normally use 6 hours for full charge. || By using our free connector ,you can use it to provide power for your car refrigerator or other 12V electronics like car cleaner.