A second recall of electric cars using lg chem batteries features put the limelight on south korean electric battery manufacturers, increasing concerns on the reliability of their technology as the country tries to take the lead-in the booming industry.

Southern korea houses three ev electric battery producers including lg chem, the worlds largest, samsung sdi and sk innovation.

Stocks in lg chem, that also provides tesla, fell 4 % on monday as development of the latest recall cast a pall throughout the company that controls one fourth of the globes fast-growing ev battery pack marketplace.

General motors on friday stated it would recall almost 69,000 chevrolet bolt evs globally as a result of a fire danger, following five stated fires and two small injuries.

It is the newest in a series of recent recalls by automakers including ford, bmw and hyundai motor, which cited fire risks.

Detroit-based gms recall addresses bolt evs built in 2017 to 2019, including nearly 51,000 in the us, with high-voltage batteries produced at lg chems ochang plant in southern korea.

Gm said the automobiles caught fire whenever charged to complete or almost full capability. as a temporary fix, the carmaker created computer software that restricts car charging to 90 per cent of full capacity, and will start software updates for bolt evs this week.

Gms recall could be the 2nd in as many months involving lg chem battery packs. hyundai stated last thirty days it would recall 77,000 kona evs over difficulties with battery cells. the vehicles that caught fire made use of lg chem electric battery cells produced in the south korean companys factory in nanjing, china.

Given that two carmakers making use of lg chems battery packs are reporting similar issues for evs, the possibility of defective electric battery cells in place of issues with the automakers battery pack management system has grown, said kim young-woo, an analyst at sk securities.

This hurts the picture of korean ev batteries and can likely rot the battery manufacturers earnings due to conditions when it comes to recalls, he stated.

Final thirty days, lg chem investors authorized the companys intend to spin off its profitable ev battery pack company in december to invest in a development of the services through a possible preliminary community offering. lg chem projects the business will generate a lot more than won30tn ($27bn) in annual sales by 2024, from about won13tn estimated for 2020.

Shares in samsung sdi had been down 2.7 % on monday. bmw recalled its plug-in hybrid designs last thirty days due to fire dangers, following the same move launched in august by ford. samsung sdi may be the typical supplier on affected evs.

United states protection regulators started an initial probe into the gm bolt evs last month and informed customers to park their particular evs far from their domiciles before the vehicles had been repaired.

Lg chem said it might completely co-operate with the probe by the nationwide transportation security board, which can be anticipated to announce its outcomes soon.