Product information :. Brand: Saiguangong. Appearance size: 160*80*30mm. Battery capacity: 20000mAh. Applicable models: gasoline car 5.0 diesel car 3.0. Peak current: 600A. Charging time: about 2~3 hours. Car starting voltage: 12V. USB interface: 4 interfaces. Charging input voltage: 5V/1A. Adaptation temperature: -40 ~+80°C. USB output voltage: 5V/1A/2A. LED display: battery/voltage/input/output. Cycle life: about 3000 times. Packing list:. Car booster*1