LR3, Discovery 3 Battery Location Post category:Land Rover / LR3 / DIscovery 3 The location of the battery in a LR3 or Disco 3 is in the engine compartment. It is under a cover panel on the passenger side. The cover panel is held down by 3 clips, these clips a very brittle and break easily. You Might Also Like LR3 Pollen Filter, Cabin Air Filter Location and Change October 26, 2019 Land Rover Hitch Receiver Removal and Install October 25, 2019 Discovery Sport Cabin Air Filter Replacement & Location October 25, 2019