Q:What is multi-function jump starter?
A: Multi-function jump starter  is used as a portable battery to start the car engine, even though the battery is totally dead. What's more,the jump starter is multi- functional one, besides starting the vehicle,it can also be used to charge some of the digital products such as mobile phones,laptops,psp,etc. 

Q: How to turn off this appliance?
A: This appliance will be turned off automatically after 15 seconds when no loading is detected or the charging is completed.

Q: How long does it take to fully charge this  multi-function jump starter?
A: It takes 4 hours to fill this multi-function jump starter with 12V/1A charger.

Q: How many times can this appliance on full charge start the vehicle?
A: Approximately 30 times.

Q: How long will the power of the battery remains?
A: 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 can be chosen:Hard light; frequent flash; SOS, the mode will be changed after one more press.