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The models in our selection are easily integrable with existing solar systems. The robust design of Backup Boxes guarantees long-term, stable operation while representing the latest technology.

For residential applications, Backup Boxes offer an ideal solution for ensuring a reliable power supply. Explore our selection and choose the model that best suits your needs!

As a reseller, installer, or wholesale partner, please register for our B2B webshop before making your first backup box purchase! Once your registration is confirmed, you will be able to log into our B2B webshop, where you will always find up-to-date information on prices, stock, and current discounts. After logging into the webshop, purchasing backup boxes or placing online orders is simple and fast.

Do you have questions about our products?

As a B2B partner, contact your designated sales representative, where our colleagues will be happy to assist you and answer all your questions about the selected backup boxes. You can also find a lot of useful information among the frequently asked questions and answers below:

How does the Backup Box help with energy efficiency?

The primary purpose of the Backup Box is to ensure power supply during a power outage. Although it is not directly designed for energy savings, it allows for energy usage optimization in existing systems, reducing losses associated with power outages. This is particularly useful in locations where uninterrupted operation is critically important.

What are the advantages of Huawei Backup Boxes?

Huawei Backup Boxes offer an outstanding solution for backup power in solar systems and provide reliable power supply even during outages. The single-phase and three-phase versions meet a variety of needs. They are compatible with Huawei SUN2000 inverters, ensuring seamless integration. Additionally, their compact design and easy installation make them a convenient solution for both homes and business facilities.

What maintenance does a Backup Box require?

In general, they require minimal maintenance. It is important to periodically check the condition of the device and clean the connectors if necessary. For battery systems, you should monitor the battery lifespan and replace it if needed. Annual servicing, as recommended by the manufacturer, is also advised to ensure optimal performance.

What compatibility differences can occur? What should I pay attention to when choosing a Backup Box for an existing solar system?

From a compatibility perspective, it is crucial that the Backup Box aligns with the inverter and energy storage system. Check whether the chosen device supports the voltage and current of the existing solar system. Different manufacturers may use different communication protocols, so it is advisable to consult a professional when selecting the appropriate device.

How long does a Backup Box operate during a power outage?

The operating time during a power outage depends on the energy storage capacity connected to the Backup Box and energy consumption. For example, a 10 kWh battery can supply power for several hours if only essential consumers are running. By optimizing energy usage, the operating time can be significantly extended.

Backup Box Reviews and Recommendations from SolarKit Experts

Backup Boxes are becoming increasingly popular to enhance the reliability of power supply, whether for home or industrial use. Among customers and installation companies, the Huawei Backup Box 1-phase is particularly favored for its compact design and easy installation. Feedback indicates that the device ensures quick and seamless switching, providing stable power supply even during power outages.

The Huawei Smart Guard 63A-S0 is also highly popular among buyers due to its advanced protection features, reliably safeguarding the system against overvoltage or other grid disturbances.

SolarKit experts and partners agree that 3-phase asymmetrical power supply is a critical criterion for a modern system, especially when off-grid power supply is needed.