[1] These guns could provide high angle, plunging fire onto more lightly armoured decks of enemy warships attempting to enter Plymouth Sound.

The battery is enclosed by concrete walls, with three small caponiers, built like pill boxes to provide enfilading fire along the ditches.

The gun positions were served by underground magazines.

[2] The battery was upgraded with newer armament after 1910 when the battery was re-modelled for two 9.2-inch Breech Loading (BL) high angle fire guns.

[3] The battery remains complete and is now run as a camping and holiday park.