Test items include energy storage system safety performance, electrical performance test, energy storage system charge and discharge energy test, energy storage system charge and discharge efficiency test, energy storage system charge and discharge conversion time test, energy storage charging adjustment time test, energy storage discharge adjustment Time test, energy storage system inverter function test, battery management system function test, battery management system sampling temperature test, energy storage system capacity and efficiency test, power quality test, voltage response test, efficiency response test, frequency response test, protection Function detection and automatic sun tracking system, etc.