4-in-1 design for various situations in travel: The device meeting a variety of travel needs should be provided in your car to respond to emergencies One-press PTC battery cell insulation: Empowered by the intelligent auxiliary heating technology, improving the cell activity at a low temperature and ensuring fast start in a world of ice and snow 150 psi surge pressure, auto stop upon full inflation: Preset the pressure and it will automatically stop when fully inflated, without the risk of over-inflation Class-A ternary lithium battery: The battery cell from the same new energy vehicle factory features super-high energy density and improved frost resistance 12 safety protections: All new upgraded relay offers a smart monitor of voltage and current, and automatically cuts off the power when detects danger to protect your safety Specifications: Model No.: BS-CH014 Material: ABS+Silica Battery: Li-polymer battery Rated Output Capacity: 3000mAh/14.8V/44.4Wh Output Capacity: 7800mAh (5V=3A) Input: 5V=2.4A; 9V=2A (Max.) Output: 5V=3A Starting Voltage: 12V Starting Current: 600A Max Current: 1200A Energy Conversion Rate: 75% Weight: ≈974g (without packaging)