Brand new and high quality.
High efficient jump starter for emergency vehicles starting/cranking.
~Capable for starting most 12V engines under 2.5L petrol
~Multi-functional car emergency jump starter with high capacity battery to charge your electronic devices,like mobile phones, etc
How to jump start car?
1. Insert the battery clamp to jump starter
2. Connect red clamp with "+" of car battery, black clamp "-"
3. Start up the vehicle
4. Remove the battery clamp from the jump starter and car battery.