To ensure long-term stable operation, systematic periodic maintenance is required: daily clean the casing, remove dust and foreign objects, check displays, charging interfaces and cables for intactness, looseness or damage, and monitor core parameters like voltage and current in real time via the operation system; quarterly focus on verifying protection functions (overvoltage, undervoltage, etc.), test networking module communication stability, and simulate full-process charging to detect hidden issues; annually calibrate metering modules as specified, tighten internal terminals, and replace worn parts such as aging seals and cables. Standardized maintenance ensures safe and reliable operation in various scenarios.