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Technical Installation Information for ESS6160 <br />Ericsson Battery Cabinet ESS6160 –All installations including Outdoor,Rooftop,Parking <br />Garages Installations and Other Exposure and Buildings <br />1 Background and Scope <br />The following Hazard Mitigation Analysis (HMA)is prepared to document known failure <br />effects and safety responses of the Energy Storage System 6160 (ESS 6160)that is made up <br />of Ericsson products Enclosure 6160 (main cabinet including power system),Enclosure B160 <br />(battery cabinet)and Battery 6618 (100Ah LFP battery),when installed in outdoor <br />locations,parking garages and rooftops of occupied residential,commercial,and industrial <br />buildings. <br />This HMA is specific to the hazard and mitigation measures of the E6160 installations and is <br />intended to serve as a generic template to assess site specific variations and risk features <br />when applied to these installations. <br />The effects of installations on rooftops of hospitals,or ambulatory care facilities with limited <br />mobility populations are not specifically addressed.Such installations may require <br />additional analysis and protection measures. <br />This report provides findings from the HMA that was performed to assess the anticipated <br />overall effectiveness of the battery monitor,controls and containment as a barrier to hazard <br />propagation and define protection features expected to be mandatory in an approved <br />installation. <br />1.1.1 Hazard Events Under Consideration <br />This HMA is based on the requirements contained in: <br />NFPA 855,Standard for the Installation of Stationary Energy Storage Systems,2023 <br />edition <br />Code Council (ICC),International Fire Code (IFC),2024 edition <br />California Fire Code (CFC),2022 edition <br />This HMA addresses the following hazard events,sometimes referred to as top events,that <br />can be associated with the operation of a lithium-ion battery system within a <br />telecommunications equipment cabinet as part of a telecommunications cell site: <br />1.Thermal runaway failure condition of Battery 6618 module of the Enclosure B160 <br />2.Failure of the Battery B6618 battery management system (BMS) <br />3.Failure of the Enclosure B160 smoke detection system <br />4.Failure of the Enclosure B160 temperature control system <br />Confidentiality Class External Confidentiality Label Document Type Page <br />Ericsson Internal Analysis 1 (27) <br />Prepared By (Subject Responsible)Approved By (Document Responsible)Checked <br />ERATLEN Thomas Lennholm <br />Document Number Revision Date Reference <br />1785-BFM 107 220/1 Uen PA2 2025-06-03