Lucas Di Grassi has told the press that he had a battery temperature problem five laps from the end of the race. The Brazilian driver has lost the lead in the championship after Nico Prost won the Miami ePrix.

Reliability issue have seen to crop up lately for Di Grassi, as he had a suspension failure in Buenos Aires and a battery problem in Miami.

Di Grassi old media after the race that he had a battery problem at the end of the race and that is why he dropped four positions in the last couple of laps.

“I had a battery temperature problem five laps to the end and that’s why I finished in ninth place,” said the Audi Sport ABT driver.

Di Grassi now sits in second in the driver championship and is seven points of championship leader Nico Prost.