1) Demand-side response: According to local policies, users can obtain subsidies by responding to the grid company's dispatch
2) Emergency reserve power supply: In case of power failure, provide backup power supply to ensure continuous production
3) Reduce the demand cost: reduce the investment cost of transformer capacity increase by reducing the maximum power load
4) Reduce user electricity bills: fully charge the battery during the low electricity price period and release it during the peak electricity price period to reduce electricity bills