Login
Dyness TOWER T21 (21.31 kWh) (21.31 kWh) Battery System Commercial Battery High voltage 5 Years Product Warranty
The Dyness Tower T21 is a modular high-voltage LiFePO₄ battery with 21.31 kWh total capacity and 7 modules. With 100 % depth of discharge, IP54 protection, and compatibility with leading inverter brands, it is designed for residential and commercial energy storage applications.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per pc. | Total price |
|---|---|---|---|---|---|---|---|
|
46
pcs.
980 kWh
|
1
pcs.
21 kWh
|
Piece |
12
Ratings
|
In stock,
DE
ID: 192240
|
Prices for members only
|
Register for free
|
|
|
29
pcs.
618 kWh
|
1
pcs.
21 kWh
|
Piece |
73
Ratings
|
In stock,
CZ
ID: 241503
|
Prices for members only
|
Register for free
|
Fast shipping
Test without obligation
Over 6,200 offers
46,078 members
We show you the best offers from leading and verified photovoltaic dealers. Compare prices for solar products with one click and save on every purchase. Make a non-binding inquiry; you can then decide for or against the supplier's offer without any pressure.
Performance data
| Type | Battery System |
| Capacity | 21 KWh |
| Efficiency | 95.0 % |
| Voltage | 576 V |
| Voltage min | 524 V |
| Voltage max | 648 V |
Measurements
| length | 1.500 mm |
| width | 504 mm |
| Height | 380 mm |
| weight | 269 kg |
Manufacturer warranty
| Product warranty | 5 years |
Certificates
CE
English
| Data Sheet |  |
| Guarantee | |
Dyness Tower T21 – Modular High-Voltage Battery Storage with 21.31 kWh
1. Product Overview
The Dyness Tower T21 is a LiFePO₄ high-voltage battery storage system with 7 modules and a total capacity of 21.31 kWh. With 100 % depth of discharge, it provides maximum usable energy for residential and commercial applications. Thanks to its floor-standing, modular design and IP54 protection rating, the T21 is suitable for both indoor and outdoor installations.
2. Technical Data & Specifications
Battery Technology
- Cell chemistry: LiFePO₄
- Module type: HV9637
- Number of modules: 7
Electrical Data
- Nominal energy: 21.31 kWh
- Nominal voltage: 576 V
- Max. continuous charge power: 12.78 kW
- Max. continuous discharge power: 12.78 kW
- Depth of discharge (DoD): 100 %
Temperature & Operating Conditions
- Charging temperature range: 0–50 °C
- Discharging temperature range: −10–50 °C
- Storage temperature range: −20–60 °C
- Cooling: Natural / Passive
Mechanical Properties
- Dimensions (WDH): 504 × 380 × 1500 mm
- Weight: 269 kg
- Installation: Floor-mounted
- Color: White
Communication & Control
- Interfaces: CAN
Lifetime & Safety
- Cycle life: ≥ 6000 cycles (90 % DoD)
Protection rating: IP54
Alarms: Overcharge / Overdischarge / Overcurrent / Overtemperature / Short circuit
Warranty
- Product warranty: 10 years
- Remaining capacity after 10 years: 70 %
Certifications
- TUV / CE / IEC62619 / IEC62040 / UN38.3 / CEC Accreditation
Compatible Inverters
Goodwe, Solis, Hoymiles, Sermatec, ATESS, Sinexcel, Luxpower, Sunways (more brands announced progressively)
Goodwe, Solis, Hoymiles, Sermatec, ATESS, Sinexcel, Luxpower, Sunways (more brands announced progressively)
3. Key Features for Installers
✅ 21.31 kWh total storage – full usable energy at 100 % DoD
✅ Modular and expandable design – scalable floor-standing system
✅ IP54 protection – suitable for indoor and outdoor installation
✅ LiFePO₄ chemistry – high safety and thermal stability
✅ Wide compatibility – supports hybrid and off-grid setups with leading inverter brands
✅ Long service life – ≥ 6000 cycles at 90 % DoD
✅ Modular and expandable design – scalable floor-standing system
✅ IP54 protection – suitable for indoor and outdoor installation
✅ LiFePO₄ chemistry – high safety and thermal stability
✅ Wide compatibility – supports hybrid and off-grid setups with leading inverter brands
✅ Long service life – ≥ 6000 cycles at 90 % DoD
4. Why Tower T21?
The Dyness Tower T21 combines large storage capacity with a modular and scalable design. Its LiFePO₄ technology ensures safe operation and long service life. With IP54 protection and international certifications, the T21 is a reliable solution for residential and commercial projects, ensuring stable long-term energy supply.
Advantages Dyness Tower 7,1-21,3 kWh
Dyness Tower highlights:
- Modular, scalable battery architecture
- High cycle life and reliable battery management
- Flexible installation and compact footprint
- Integrated safety and monitoring features
- Suitable for self-consumption and backup applications
Dyness
Dyness is an enterprise founded in 2017 focusing on battery system integration R&D and manufacturing.
They specialize in grid tied and off grid LFP battery solutions for residential application in Europe, Australia, Africa, South America etc.
They specialize in grid tied and off grid LFP battery solutions for residential application in Europe, Australia, Africa, South America etc.
Reviews
0.0
0 Reviews
This product has no reviews yet.
