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Growatt SPH TL BL-UP - Reliable hybrid inverters with backup function


The SPH TL BL-UP series from Growatt offers a single-phase hybrid solution specially developed for energy storage and backup systems. With a switchover time of <10 ms, it ensures an uninterrupted power supply, while the intelligent load control enables optimized use of the stored energy.

Thanks to its compatibility with lithium and lead-acid batteries and a battery voltage of 42 V - 59 V, the series offers high flexibility for various storage solutions.

Also discover the Growatt MID-TL3-X series for powerful three-phase inverter solutions in commercial PV systems.
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Growatt SPH TL BL-UP - Hybrid inverter with fast switching for reliable energy supply


The SPH TL BL-UP series from Growatt is a single-phase hybrid solution for storage and backup systems. With a switchover time of less than 10 ms, it ensures an uninterrupted power supply in the event of grid failures.
Thanks to intelligent load control and flexible battery voltage (42 V - 59 V), it is compatible with lithium and lead-acid batteries. With a maximum PV input power of up to 11.2 kWp and an MPPT efficiency of ≥99.5 % , it ensures efficient energy generation and storage.

Technical highlights of the SPH TL BL-UP series
✔ Hybrid technology: Supports PV and battery storage operation for maximum energy independence
✔ Wide battery voltage range: 42 V - 59 V, compatible with lithium and lead-acid batteries
✔ High efficiency: Maximum 97.6 %, European efficiency up to 97.2 %
✔ Backup function: Fast switching <10 ms for a reliable emergency power supply
✔ Increased safety: DC and AC overvoltage protection, residual current monitoring, insulation monitoring
✔ Compact design: 31 kg weight, IP65 protection class, suitable for indoor and outdoor installation
✔ Flexible PV connectivity: Maximum PV input power up to 11.2 kWp, MPPT voltage range 120 - 550 V

Models in the SPH TL BL-UP series

  • SPH3000TL BL-UP: Max. DC power 6.0 kWp, max. AC power 3,000 W. Two MPPT trackers, maximum efficiency 97.2 %, European 97.0 %.

  • SPH3600TL BL-UP: Max. DC power 7.2 kWp, max. AC power 3,680 W. Two MPPT trackers, maximum efficiency 97.3 %, European 97.1 %.

  • SPH4000TL BL-UP: Max. DC power 8.0 kWp, max. AC power 4,000 W. Two MPPT trackers, maximum efficiency 97.4 %, European 97.1 %.

  • SPH4600TL BL-UP: Max. DC power 9.2 kWp, max. AC power 4,600 W. Two MPPT trackers, maximum efficiency 97.5 %, European 97.2 %.

  • SPH5000TL BL-UP: Max. DC power 10.5 kWp, max. AC power 5,000 W. Two MPPT trackers, maximum efficiency 97.6 %, European 97.2 %.

  • SPH6000TL BL-UP: Max. DC power 11.2 kWp, max. AC power 6,000 W. Two MPPT trackers, maximum efficiency 97.6 %, European 97.2 %.

Efficient storage integration for a reliable energy supply


The SPH TL BL-UP series is ideal for PV systems with battery storage that require efficient use of solar power and a reliable emergency power supply.
✔ Fast switching to backup mode for an uninterruptible power supply
✔ High efficiency and intelligent load management for optimum energy distribution
✔ Flexible storage capacity thanks to support for various battery types

Other Growatt series for different requirements


In addition to the SPH TL BL-UP series, Growatt offers further inverter solutions for various applications:
  • MID-TL3-X series - Three-phase inverters for powerful commercial PV systems
  • SPH series - Hybrid inverters for PV systems with battery storage integration

Frequently asked questions

  • How many employees does Growatt have?
    In 2017, Growatt employed more than 1,200 employees, plus over 500 research and development engineers.
  • When was Growatt founded?
    Founded in May 2010, Growatt is a Chinese company headquartered in Shenzhen, Guangdong Province, and is now one of the largest inverter manufacturers in the world. 
  • What makes Growatt stand out?
    Growatt offers a diverse range of inverters from 1kW to 2.52MW. These inverters can be integrated with energy storage solutions for on-grid and off-grid systems and are compatible with the "Smart Home" battery storage system. In addition, the company has earned recognition through rapid expansion, gaining widespread recognition as a manufacturer of smart inverters only 18 months after its establishment.
  • How trustworthy is Growatt?
    Growatt is a reputable company that has achieved remarkable success in China and abroad and has been honored with numerous awards and recognitions. These include being honored as the "National High-tech Enterprise and Famous Brand of Guangdong Province" by the Chinese government, as well as various other titles and medals such as "Top 10 Best Selling Inverters", "China's Most Compatible Inverter Company", "The Most Unique Solar Inverter", "The Best Inverter Brand in China" and "The Most Influential Energy Storage Company".
  • Is Growatt a trustworthy partner for inverters?
    Growatt is considered a trusted partner for inverters, always focusing on quality and reliability. The company has been in business for over a decade, so it now has a worldwide network of distributors and service centers, and also offers comprehensive warranties and after-sales services.
  • What awards did Growatt receive?
    Growatt has received several awards and recognitions in the solar energy industry for innovative and high quality solar energy solutions. For example, Growatt was named one of the "Global Top 10 PV Inverter Brands" by IHS Markit, ranked as one of the "Top 3 Solar Inverter Brands" by Wood Mackenzie, and received the Intersolar Award for its MIN 2500-6000TL-XH inverter. Growatt 2021 also received the Top Brand PV Seal for Australia, which recognizes companies for their excellent reputation and customer satisfaction in the solar market.
  • How efficient are Growatt inverters?
    Growatt inverters are designed to provide reliable and efficient performance in a variety of environments. They feature transformerless cooling technology and natural convection cooling that ensures the inverter is protected from overheating and other temperature-related issues. With an IP rating of 65, the inverter is also protected against dust and water ingress. This high level of protection ensures that the inverter can operate effectively in harsh environments. The inverter can also operate at altitudes of up to 4,000 meters and withstand humidity levels of up to 100%, making it the ideal choice for customers who need a durable and reliable component for their photovoltaic project.
  • What sets Growatt inverters apart from products from other suppliers?
    Growatt inverters offer several advantages over comparable products from other suppliers. One of the main advantages is that they are often less expensive for the same power output. Growatt offers a range of single-phase inverters up to 10 kW and three-phase inverters up to 100 kW, making them suitable for both small installations and large-scale projects. They are also versatile, supporting grid-tied and off-grid applications as well as smart energy management systems, for example. With a focus on affordability, versatility and ease of use, Growatt inverters are an excellent choice for customers looking for reliable and efficient solar energy solutions.
  • What guarantees do Growatt inverters have?
    Growatt offers excellent product warranties for the inverters. The duration of the warranty varies depending on the model and ranges from 5 to 10 years. The warranty covers all defects in materials and workmanship and ensures that customers can rely on the inverters for many years.
  • What products does Growatt offer?
    Growatt is a company that specializes in manufacturing and supplying solar energy solutions and products. The company is known for manufacturing high-quality solar inverters, energy storage systems, monitoring systems, and EV chargers. The products are designed to provide reliable, efficient and cost-effective solutions for residential, commercial and industrial customers.
  • Has Growatt established an international presence?
    Growatt is a globally recognized company with over 20 certifications from different parts of the world. Its products are widely sold in more than 150 countries in Australia, Europe, North and South America, Asia and Africa. Growatt is one of the largest and most reputable inverter manufacturers in China, whose products are widely used in commercial and industrial photovoltaic projects.