The invention relates to the field of energy storage systems for lithium batteries, in particular to a mobile energy storage control system for lithium batteries. The mobile energy storage control system comprises a solar panel set, a bus unit, an access switching unit, an energy storage chopping unit, a battery equalizer, an energy storage lithium battery set and a system controller, and is characterized in that a channel of control contact points of the access switching unit is sequentially connected with a bidirectional inverter and an electric switching unit, and the electric switching unit is respectively connected with a supply network, an electric load and the system controller; and a system computer in the system controller is respectively connected with the bus unit, the access switching unit, the bidirectional inverter, the energy storage chopping unit, the battery equalizer, a battery temperature detecting unit and the electric switching unit by Profibus-DP (decentralized periphery) and Modbus field buses to form an intelligent network control system. Compared with the prior art, the mobile energy storage control system has the advantages that photovoltaic power generation is integrated with off-peak electricity utilization, photovoltaic power generation is implemented and generated electricity is stored in daytime when sunlight is sufficient, and off-peak electricity is stored at night.