The energy storage fire protection system design three-level fire protection scheme, put out the lithium battery fire in the battery stage, effectively block the thermal runaway expansion, and ensure the safety of the energy storage system. Primary:park built-in KLSM-1230/300 type device; Secondary:park built-in WD-1230/3-KLSM type device; Tertiary :The energy storage cabinet is reserved for external fire quick connectors