This auto jump starter is used for starting the car. The auto jump starter also has USB output for mobile phones. This auto jump starter is waterproof, dustproof and shockproof, so it's perfect for outdoor use. The appearence is very upscale, which result it can be a good gift for friend.
How to use for 12V jump stater:
1. Make sure that the number of indicator light is not less than 2.
2. Connect the red battery clamp of jumper cable to the vechicle's positive (+) battery terminal and connect the black battery clamp of jumper cable to the vechicle's negative (-) battery terminal.
3. Plug the cord of jumper cable into the jump start socket.
4. Start the vehicle.
5. When the vehicle starts, remove jumpe cable from jump starter and disconnect red and black clamps to the vehicle battey terminals with 30 seconds.
6. Leave the vechicle's engine running.