A household energy storage system is a system that provides energy storage and management functions for households. The advantages of household energy storage systems include peak and valley filling, improving energy utilization, coping with power outages and electricity price fluctuations, and promoting the use of renewable energy.
The battery configuration in a residential energy storage system is usually determined based on the home's energy needs and budget. The following is a general battery configuration scheme:
Battery Type: Choosing the appropriate battery type is the first step in configuration. The battery types that are more widely used in the market today include lead-acid batteries, lithium-ion batteries, and sodium-ion batteries. Lithium-ion batteries are generally considered the most common and efficient option due to their higher energy density, long life, and higher charge and discharge efficiency.
Battery capacity: Determine the required battery capacity according to the household's electricity demand and expected peak shaving (Peak Shaving) demand. Generally, greater capacity can store more electricity for home use, but it also increases costs.
Parallel and series relationship: Multiple batteries can be connected in parallel or in series as required. Parallel connection can increase the storage capacity of the system, while series connection can increase the system voltage.
Inverter and Charge Controller: Make sure to choose an inverter and charge controller that are compatible with the battery type you choose. The inverter converts DC battery power into AC power for home use, while the charge controller manages the battery's charging and discharging process to ensure battery safety and performance.
Solar panels (optional): If your home has a solar power system, consider connecting the solar panels to the battery system to charge the batteries through the sun.
System monitoring: Configure a suitable monitoring system, which can monitor and record the charging and discharging status of the battery in real time, as well as the performance of the entire system.
Choosing an appropriate household energy storage system requires considering factors such as the household's energy needs, budget, and available renewable energy resources. It is important to choose an energy storage system configuration that suits your household's needs and make a reasonable investment based on your budget. It is recommended to consult a professional energy storage system supplier or engineer to help determine the optimal battery configuration.