Features： 1、1. Supports starting and charging 12V vehicles for various mobile phones, PSP, MP3/MP4, PDA, laptops, car refrigerators, etc. 2、 2. Multifunctional USB port. Multiple safety measures design. 3、 3. Waterproof and dustproof. Good polymer lithium battery. It is resistant to low and high temperatures, and can be used in an environment of -40 to 80°C. 4、 4. No installation, no configuration. Just use the clip to connect the positive and negative car. Turn on the power switch. The car can start (red-positive, black-negative). Small, slim and easy to carry. An essential compass for hiking, camping and other outdoor activities. 5、 5. Applicable models: 6.0 gasoline, 5.0 diesel engine. Specification： 1. USB output: 5V 2A 3. Charging mode: CC/CV 15V1A 4. Starting current: 300A, peak current: 1000A (3s) 5. Cycle life: 3000 times 6. Working temperature: -40℃ to +85℃ 7. USB output: 5 V-2A 8. Notebook computer output: 12V-16V-19V 9. Input current: 15 V/1A 10. Size: 19 * 8.5 * 4 cm Package List： 1 x Car Seasonal Kit (mobile power, tool box, fire line, laptop conversion line, mobile phone charger, car charger, household charger)