LS Cable and System has become the first Korean firm to develop a portable electric vehicle charger , the company announced Monday . According to the company , the charger supplies 3 . 3 kilowatts of electricity to the vehicle using the standard outlet installed in homes . The device can fully recharge batteries fitted in Hyundai Motor Co . ’ s electric vehicle BlueOn in six hours , the company said . According to LS Cable and System , the Ministry of Knowledge Economy has plans to increase electric vehicles ’ share of the local market for new vehicles to 20 percent by 2020 . In addition , the ministry ’ s plans have supplied 2 . 2 million chargers by that year , offering good prospects for the market , the company said . The company said that as the device meets the International Electric Commission ’ s standards , its development will also enable the company to enter the global market for electric vehicle chargers in which U . S . and Japanese firms currently have the lead . By Choi He - suk ( cheesuk @ heraldm . com )