China supply Carku car accessory12V portable powful car jump starter  

specification:

Instructions for use:
1, Select the appropriate voltage and connector for the electronic device to charge / power supply 
2, Press the switch to start charging when your device connected with EPOWER; If you unplug the cable, auto-sleep will start in one minute. 
3, Five lights will flash circularly during the charging by EPOWER and all lights will keep bright when your device is full-charged 
4, During the charging for your device, LED lights indicate the balance power of built-in battery of EPOWER. Four lights indicate 80% balance, three lights indicate 60% balance, two lights indicate 40% balance and one light indicates 20% balance. The built-in battery is empty whenall LED lights start to flash

5, Press the switch three seconds to start If you want to use LED for illumination and select the status ( light, burst flashing, SOS, close) by pressing the switch to transform.

6, Store the product in a cool and dry place and away direct sunlight. 

Special note:
To start 12V vehicle, please make sure at least three LED lights of EPOWERare bright firstly, then connect the Red battery clamp to the battery Positive (+) and Black clamp to the battery Negative (-) and insert the plug into the EPOWER, finally turn the ignition switch to the START position. Once the vehicle is started, please disconnect the plug and remove the battery clamps within 30s. 

Product Highlights:
The smallest and lightest jump starter with patented technology in the current market.
Use high power polymer cells, fast charging and low self-discharge, cycles can reach 1000 times. 
Support 12V vehicle for emergency start, portable illumination and various mobile phone, PSP, MP3/MP4 Pocket PC PDA, notebook as well as other products charge / power supply;

Multiple safety protection:

•  Fusing protection
• Overcharge protection
• Over-current protection
• Anti-recharge protection
• Reverse protection