Two Coastal batteries were built at each wing of the land fortifications
These were secondary batteries, which is confirmed by their outdated armament.
The Hvidöre Battery (the Eastern Wing)
There are no pictures from the Hvidöre battery available.
The Avedöre Battery (the Western Wing)
The Avedöre Battery had 4 pcs. of 29 cm. haubits. It was old muzzleloaded guns