Carl Oppermann produced electric cars under his own name from 1898 to 1902, and through Carl Oppermann Electric Carriage Co. Ltd. from 1902 to 1907. His firm made its own batteries to power a variety of vehicles mostly having open body styles, and produced a number of electric taxis. The King of Siam purchased an Oppermann electric in 1905.

Carl Johann David Oppermann was born in about 1838 in Hamburg

Hamburg

-History:The first historic name for the city was, according to Claudius Ptolemy's reports, Treva.But the city takes its modern name, Hamburg, from the first permanent building on the site, a castle whose construction was ordered by the Emperor Charlemagne in AD 808...

, Germany. By about 1862 he had established himself as a watch manufacturer and mechanical engineer in Clerkenwell

Clerkenwell

Clerkenwell is an area of central London in the London Borough of Islington. From 1900 to 1965 it was part of the Metropolitan Borough of Finsbury. The well after which it was named was rediscovered in 1924. The watchmaking and watch repairing trades were once of great importance...

, London, UK. He died at Barnet

Barnet

High Barnet or Chipping Barnet is a place in the London Borough of Barnet, North London, England. It is a suburban development built around a twelfth-century settlement and is located north north-west of Charing Cross. Its name is often abbreviated to Barnet, which is also the name of the London...

, Middlesex

Middlesex

Middlesex is one of the historic counties of England and the second smallest by area. The low-lying county contained the wealthy and politically independent City of London on its southern boundary and was dominated by it from a very early time...

, England on 30 April 1916 and was survived by his wife Elizabeth Jane née Tunstill (30 May 1843 – 1 August 1934) and their numerous children including their son Carl Tunstill John Oppermann (born 13 March 1861).