Specifications: Battery Types: Lithium-ion Battery Battery Capacity: 20,000mAh (74.0Wh) Start Car Voltage: 12V Gas Engine Rating: All Liters Diesel Engine Rated: Up to 12.0L Type-C Input: 5V/3A; 9V/3A; 12V/3A; 15V/3A; 20V/3A Output USB-C: 5V/3A; 9V/3A; 12V/3A; 15V/3A; 20V/3A Charging Time: About 2-4 hours LED Flashlight: 620 Lumens Product Dimensions: 3.92"D x 8.97"W x 1.49"H Peak Output Current: 6000 Amps Storage Temperature: -4°F~140°F .