PV&ESS ALL-IN-ONE system is an integrated PV storage device designed to meet the needs of ESS and PV storage distribution. The equipment has energy-saving, high energy density, fast access to and/or off grid photovoltaics, strong environmental adaptability, small space occupation, and particularly outstanding performance in distribution and storage. The integrated light storage machine consists of a cabinet, air-cooled air conditioning, inverter, BMS, Battery cluster, fire protection system, electrical safety auxiliary system, etc. Diversified applications in optical storage projects and off grid integrated projects.