100 kWh of household energy storage

　　Home energy storage systems are typically used in conjunction with solar or wind power generation to provide backup power or peak shaving and valley filling. The following are the main factors that affect the cost of household energy storage systems:

　　1. Battery type and capacity: The commonly used battery types for household energy storage systems are lithium-ion batteries and lead-acid batteries. Lithium ion batteries have good performance but are relatively expensive; Lead acid batteries have a lower price, but their lifespan and performance are relatively poor. The price of a 100 kWh lithium-ion battery system is approximately between 100000 and 200000 yuan, while the price of a lead-acid battery system is between 50000 and 100000 yuan.

　　2. Charging and discharging equipment: including inverters, charging controllers, etc. The selection of these devices should be matched with the battery system to ensure efficient and safe charging and discharging processes. The cost of charging and discharging equipment accounts for about 10% -20% of the total cost.

　　3. Installation and supporting costs: The installation of household energy storage systems requires professional electrical engineers to design and construct, ensuring the safety and reliability of the system. The installation cost is usually calculated based on working hours, depending on the specific situation. In addition, the cost of supporting materials such as cables and junction boxes also needs to be considered.

　　4. Monitoring and management system: In order to monitor and manage the operation status of the energy storage system in real time, corresponding monitoring and management systems need to be configured. This part of the cost accounts for about 5% -10% of the total cost.

　　Taking into account the above costs, the total cost of a 100 kWh household energy storage system is approximately between 150000 and 300000 yuan. The specific cost still needs to be evaluated and designed in detail based on factors such as user needs and installation environment.

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