1. The intelligent IC chip is developed by our USA team and produced in USA,the energy transformation ratio can reach over 90%
2. The battery cell is made of Li-polymer, which is environment and much safer and more stable, and it gets UL certificate
3. The appearance of this car jump starter is designed by oversea experts, fashionable
4. Each jump starter with Anti-explosion test ,anti-reverse protection,short-circuit protection,overload protection,Over-temperature protection.
5. Excellent production line for high quality products and punctual delivery time.
6. We are 100% responsible for our products,we consider Customer first,quality first and Reputation first

  1.what is the car jump starter?
Car jump starter is used to charge your car battery and start the engine.also,this is multi Funcation,except starting your vehicle,also apply to use to most of the digital products,such As mobile phones,laptops,cameras,navigations etc
2.how to turn off the product?
The product will turn off automatically after 10 seconds when no loading is detected or the charge has completed.
3.how long does full charge of the jump starter?
It takes 3 to 4 hours to full charge car jump starter with 12V/1A charger.
4.How many times can this appliance on full charge start the vehicle?
Each jump starter different capacity,approximately 20 to 40 times.
5.How long will the power of the battery remains?
3-6 months,however,we suggest you charge it every 3 months. And the LED illumination is another extra function used commonly,long press the switch button to start the flashlight,3 modes for options:Hard light; frequent flash; SOS, the mode will be changed after one more press. 
6.What is about the warranty?
9V 2A Car Charger,We warranty the products for 1 year,we can warranty in advance,for example if you purchase 100 sets,we warranty 1 set together with the goods.Or if there is other defective part,we can replace the defective part within 1 year!