If you have questions about the conjugation of ампер or Russian nouns in general, you can practice and get feedback from a professional tutor.
В 8:55 ...в машину ударила молния выпустив пятьсот миллионов вольт электричества и 60000 ампер потока.
At 8:25, a bolt of lightning struck the vehicle discharging half a billion volts of electricity and producing 60 000 amperes of current.