Cold-rolled steel plate, strong impact resistance, electrostatic powder spraying, zero formaldehyde pollution-free, lock design, all-round anti-theft. Suitable for small factories, schools, enterprises, training institutions, hotels, restaurants, etc. Can monitor the system, network office and so on. The energy storage converter can be used to control the charging and discharging process of the battery, carry out the conversion of alternating current, and can directly supply AC load in the case of no grid.