Product Description: Ultra-Powerful The inflator features a maximum current capacity of 3,000 amps, making it capable of easily starting most 12-volt vehicles, including cars, as well as SUVs, motorcycles, RVs, snowmobiles, and more. High Safety The Baseus super capacitor is safe and offers a long service life. Thanks to its battery-free design, there's no need to worry about reverse polarity, overcurrent, overload, overvoltage, explosion, or fire problems. LCD Display Featuring a large 2.8-inch LCD digital display, users can easily read the charging status and start the car in time. Detailed error codes and voice prompts provide accurate diagnosis and boost adjustment. It also functions as a car battery voltage detector. 2-Year Warranty