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FAQ

  • What are the main benefits of installing an energy storage system for households?

    ① When paired with residential solar panels, it significantly increases the household's energy self-sufficiency rate and reduces electricity bills.

    ② Serves as an emergency backup power source to maintain basic electricity supply during grid outages.

    ③ Participation in demand response programs such as virtual power plants may generate additional income.

  • What are the mainstream types of residential energy storage systems?

    There are two primary technical routes: DC-coupled (where batteries connect directly to the DC side of the solar inverter) and AC-coupled (where a separate storage inverter connects to the home's AC distribution panel).

  • What is the typical lifespan of an energy storage battery?

    It is generally measured in cycle times (e.g., 6,000 cycles) or years (e.g., 10 years), with the end of life defined as when capacity decays less than 70%. Actual lifespan is closely related to usage habits and ambient temperature.

  • How much space is required for installing a residential energy storage system?

    Wall-mounted or floor-standing energy storage cabinets typically require minimal space (approximately 0.5–1 square meter). They must be installed in a dry, well-ventilated, and shaded indoor area, away from flammable or explosive materials.

  • How does the system automatically switch to backup power during a grid outage?

    Systems with backup power functionality are equipped with an Automatic Transfer Switch (ATS). When a grid outage is detected, the system disconnects from the grid within milliseconds, and the energy storage battery supplies power to designated circuits via the inverter.

  • How to monitor a home energy storage system via a mobile app?

    The system transmits data to a cloud platform via built-in communication modules (4G/Wi-Fi). Users can view real-time power generation, electricity consumption, and battery status through a dedicated APP, and adjust operational modes remotely.

  • Can photovoltaic modules with different power ratings be connected in series?

    Strongly not recommended. In a series circuit, the current is determined by the module with the lowest output. Modules with different power ratings have different current characteristics—mixing them in series can cause significant power loss and even lead to hot spot effects.