Home energy storage battery is a kind of energy storage equipment for home. It can store electric energy and release it when needed to provide electricity for families. Household energy storage battery usually consists of battery pack, inverter, controller and so on. Battery pack is the core part of home energy storage battery, which can store electric energy and release it when needed. Inverter is a device that converts direct current into alternating current. It can convert the direct current stored in the battery pack into alternating current to provide electricity for families. Controller is the control center of home energy storage battery, which can control the charging and discharging of battery pack and the working state of inverter.