Important Safety Instructionsii ET003222373 English 4/2018. Rev 0.0General InstructionsPlease be aware that a battery presents a risk of electrical shock including high short-circuit current.Follow all safety precautions while operating the batteries. Remove watches, rings, and other metallic accessories. Use tools with insulated handles in order to avoid inadvertent short circuits. Wear rubber gloves and safety boots. Do not put tools or any metal parts on the top of the batteries. Disconnect charging source and load before connecting or disconnecting terminals. Use proper lifting means when moving batteries and wear all appropriate safety clothing andequipment. Batteries must be handled, transported and recycled or discarded in accordance with federal, state,and local regulations. Do not dispose of the batteries in a fire because they can explode. Do not open or mutilate the batteries. Only authorized, trained technicians should perform annual preventive maintenance. Only qualified personnel who are familiar with the batteries and safety precautions should performinstallation or maintenance of the battery. Do not allow unauthorized personnel to contact the batteries.Safety PrecautionsThe following precautions provide general safety guidelines that should be followed when workingwith or near the Energy Storage System (ESS). Complete safety parameters and procedures aresite-specific and should be developed by the customer for the installation site. Review and refer to all safety warnings and cautions in this manual before installation. Build a clear, permanent, restricted access area around the system. Only authorized, adequately trained electrical operators should be able to access the system.The interior design of this equipment must be considered a ―no-go area except for non-qualifiedpersonnel who are familiar with the batteries and safety precautions,‖ depending on the location.Consult local codes and applicable rules and regulations to determine permit requirements. Ifrequired, mark enclosures appropriately before beginning work.