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 ABS Bracket Replacement December 11, 2019 How to Replace the VVT Solenoid Seal and Fix the Oil Leak on the LR3 Valve Cover October 23, 2019 LR3 Water Pump Replacement December 17, 2019