WEBMar 27, 2024 · The rails recharge the train’s batteries at 750V direct current (DC), with a current of up to 1,000 Amps. The three-car 230001 has two battery cars, so West Ealing is equipped with two sets of charging rails. Each can supply power at up to one megawatt (1MW), giving 2MW in total. * More on this story in Issue 1006 of RAIL magazine.