A renewable energy system located on the PropertyPropertyMultifamily residential real estate securing the Mortgage Loan, including the fee simple or Leasehold interest, Improvements, and personal property (per the Uniform Commercial Code). that converts sunlight into electricity and/or a battery storage system containing lithium ion batteries or equivalent technology capable of storing electricity received from the electric grid or a renewable energy system and delivering stored electricity to the PropertyPropertyMultifamily residential real estate securing the Mortgage Loan, including the fee simple or Leasehold interest, Improvements, and personal property (per the Uniform Commercial Code). .