Dyness Tower T21 – 21.31 kWh HV Home Battery (LiFePO4)
Couldn't load pickup availability
The Dyness Tower T21 is the most powerful version in the Tower series, featuring an impressive capacity of 21.31 kWh. This high-voltage system (576V) is designed for maximum efficiency and large energy demands. Thanks to the stackable construction of six modules, the T21 combines massive storage capacity with a small footprint. The robust IP54 housing ensures reliable performance, both indoors and outdoors.
- Maximum capacity of 21.31 kWh
- Superior efficiency due to 576V high voltage
- IP54 protection rating (Indoor & Outdoor)
- No internal wiring needed (Stackable)
The ultimate energy storage for high consumers
- Highest Efficiency: The nominal voltage of 576V ensures minimal conversion losses and optimal cooperation with HV inverters.
- Plug & Play Installation: Despite the large capacity, installation is simple due to the modular design without complex internal wiring.
- Maximum Security: Perfect for larger households or small businesses striving for complete energy independence or extensive backup power.
- Durable & Safe: Uses premium LiFePO4 cells, known for their thermal stability and long lifespan of over 6000 cycles.
Technical Specifications
- Nominal Capacity: 21.31 kWh
- Technology: LiFePO4 (Lithium Iron Phosphate)
- Nominal Voltage: 576V DC
- Configuration: 6x Battery Module + 1x BDU
- Voltage Range: 504V – 657V
- Protection Class: IP54
- Dimensions: 504 x 380 x 1500 mm
- Weight: 269 kg
- Certifications: CE, UN38.3, IEC62619
What is included in the package?
For the complete T21, you receive:
1x BDU Box (Item A): 1x Tower BDU, 1x Comm cable to inverter (2m), 1x Positive cable (Red, 2m), 1x Negative cable (Black, 2m), DC connectors (+/-), 1x BDU comm connector, Screws (M6*14, M4*10), Manual & Warranty card.
6x Battery Box (Item B): Each box contains 1x HV9637 Battery Module (96V/37Ah) and mounting screws. You receive a total of 6 battery modules.
Which inverters is this system compatible with?
The Tower T21 works seamlessly with powerful hybrid high-voltage inverters from brands such as GoodWe, Solis, SAJ, and Ingeteam. Always check the official compatibility list to ensure your inverter supports the high voltage (576V).
How can I expand storage capacity in the future?
The T21 is the maximum configuration within a single tower (6 modules). For further expansion, you can parallel connect multiple Tower systems (Master/Slave configuration) to multiply the total capacity of your installation.
Is this system safe for indoor installation?
Yes, LiFePO4 technology is the safest lithium chemistry on the market. Thanks to the IP54 rating, the housing is protected against dust and splashing water, allowing installation in the garage, technical room, or under a canopy.
Looking for another Dyness battery? View our full range of Dyness batteries here.
Register as an installer to view your net prices. Already have an account? Log in here.
Share
General installation or product information is shown.
