The "E" version used in the Battle of Britain had an empty weight of 2,010 kg (4,431 lb).[75] The more heavily armed and powerful G version used later in the war had an empty weight of 2,700 kg (5,900 lb). In comparison, its main fighter opponents weighed 2,100 kg (4,640 lb) to 5,800 kg (12,800 lb).