Guangzhou Anern Energy Technology Co., Ltd.

How Does Battery Storage in Hybrid Inverters of Solar Systems Work?

Nov 30, 2024
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    In a solar power generation system, battery storage serves as an indispensable component, playing a crucial role. When the grid fails, solar power panels can ensure continuous power supply for the home. This article will delve into how battery storage works in a hybrid inverter for solar system and how it collaborates with the solar system to provide your home with stable power supply.


    Solar Power Panels Provide Solar Power


    When sunlight hits the solar power panels, light energy is converted into electrical energy. This current is stored through connected batteries, forming direct current (DC). Insolar power panels, there are two main coupling methods: AC coupling and DC coupling. DC coupling systems have built-in inverters to convert DC to alternating current (AC) for home appliances or stored in AC batteries. The inverter can also convert AC back to DC for storage when needed.


    In contrast, batteries in DC coupling systems are not equipped with inverters. Therefore, the DC from the solar power panels enters the battery through a charge controller, while the inverter is only connected to the household electrical system. This means that the energy from the solar power panels or batteries must be converted from DC to AC before entering household appliances.


    Battery Charging and Discharging Process of Hybrid Inverter for Solar System


    The hybrid inverter with solar battery charging manages the energy flow from solar power panels to the household electrical system through a charge controller. This ensures that household appliances like refrigerators, TVs, and lights always have a stable power supply. Typically, the electricity generated by the solar power panels may exceed the actual needs of the household. For instance, on a hot summer afternoon, solar output might be high, but actual consumption might be relatively low. In such cases, the excess energy can be stored in batteries for use at night.


    The charging rate of the battery depends on its capacity and the design of the charge controller. If the load on the household electrical system is low, the battery will charge faster. Conversely, if there are larger solar power panels connected, the system will acquire energy faster, charging the battery more quickly. Once the battery is fully charged, the charge controller will automatically stop charging to prevent overcharging.


    Advantages of Hybrid Inverter Battery for Solar System


    Ensure Power Supply


    Solar inverter batteries can provide backup power during grid outages, ensuring your household appliances continue running.


    Optimize Energy Usage


    In time-of-use electricity plans, electricity costs are generally higher in the evening. By storing excess solar energy during the day and using it during peak hours in the evening, overall electricity costs can be effectively reduced.


    In conclusion, battery storage in a solar system hybrid inverter is key to achieving home energy self-sufficiency and stable supply. By thoroughly understanding its operating principles and advantages, we can better utilize solar resources to provide more reliable and environmentally friendly power supply for homes.


    Andy Cao
    Andy Cao

    I’m Andy Cao, an energy engineer with over 16 years of hands-on experience in solar inverters, lithium battery energy storage, photovoltaic systems, and solar street lighting. I focus on real-world system performance and write to share practical, experience-based insights for professionals working in the solar energy industry.

    FAQ

    Will the solar lights work all night?

    If you live in a sunny place like South Africa or South America, wholesale solar street lights from Anern can easily last 10 hours at night all year round. In some Northern European countries, solar lights last for a shorter time at night in winter. In these areas, it is expected to last an average of six hours during winter.

    Is Anern a solar inverter manufacturer or a system integrator?

    Anern operates as a solar energy solutions manufacturer, supplying solar inverters as part of integrated solar power systems that combine power conversion, energy storage, and system-level design for various solar applications.

    Is Anern a solar inverter manufacturer?

    Yes, Anern is a solar inverters manufacturer, as confirmed by their proprietary product lines and industrial capabilities.


    As one of China's leading solar power inverter manufacturers, Anern designs and produces multiple inverter series, including:

    AN-SCI-PRO Series: Featured on dedicated product pages with factory production images

    AN-PVI Series: High-capacity inverters (6000W-10000W) offered commercially

    AN-SCI-EVO Series: Hybrid inverters catering to grid-tie/backup needs

    Off-grid parallel inverters: Designed for areas with unstable/no grid access


    Their inverters incorporate:

    Independent R&D - Core technologies developed in-house

    Industrial scale production - Manufactured in 30,000+ sqm factories

    Global compliance - Certified to meet international standards (CE, ROHS, TUV)

    What payment methods do you accept?

    For samples, full by T/T in advance;  for bulk order, 30% deposit by TT in advance, balance by TT before shipment. The L/C is acceptable for big order. It can be negotiable.

    What types of solar inverters does Anern produce?

    Anern produces several types of solar inverters across multiple product series for different applications:


    Off-Grid Solar Inverters: Designed for areas without grid access or unstable power sources, supporting remote power access 12. For example:


    AN-SCI-PRO Series (2000/3200W models)

    AN-PVI Series (6000/10000W)

    Hybrid Solar Inverters


    IP65-rated Hybrid Inverters: Durable, all-weather inverters for grid-tie/backup systems. Includes AN-SCI-EVO series (e.g., AN-SCI-EVO10200, EVO4200/6200)

    UPS Hybrid Inverters: Models like the 2000-12000W solar inverter with UPS functionality for uninterrupted power supply

    Low Frequency Solar Inverters: Heavy-load industrial inverters for high-power applications. Features include driving pumps, air conditioners, and refrigerators 


    Specific product highlights:

    AN-FGI-DU4200 Series: Hybrid PV inverters for residential/commercial use

    AN-SCI02-PA Series: Off-grid parallel inverters (e.g., AN-SCI02-PA6200)


    Anern produces the following inverter power ratings and types:


    Power Ratings:

    1kW Inverters

    1.5kW Inverters

    2kW Inverters

    3kW Inverters

    4kW Inverters

    4.2kW Inverters

    5kW Inverters

    6kW Inverters

    6.2kW Inverters

    6.5kW Inverters

    7.2kW Inverters

    10kW Inverters

    10.2kW Inverters

    12kW Inverters


    Inverter Types:

    Single Phase Solar Inverter

    MPPT Solar Inverter - Integrated in controllers

    Off Grid Inverter

    Hybrid Solar Inverter

    High Power Inverters (commercial, up to 100KW)

    Commercial Solar Inverter

    UPS Solar Inverter

    Pure Sine Wave Inverter - Fundamental to all models

    Solar Power Inverter for Home - All residential models


    Note: Dual-output and on-grid capabilities are implied through hybrid and UPS systems.


    References
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