Dyness
Dyness Tower TS21
Single-phase off grid inverter with 20.245 kWh LFP battery
Partially verified
Best for
- + Residential installations
- + Single-phase residential installations
- + Projects requiring long warranty coverage
- + LFP battery applications - verify cycle life from datasheet
Not ideal for
- ! Large-scale C&I projects - consider commercial product line
- ! Three-phase commercial/industrial installations
- ! Backup/battery-backup projects (no EPS functionality)
In the Tower S3 series
This is the 20.245 kWh variant.
Compared to other models
- - 200% larger capacity than Dyness Tower TS7
- - Maximum capacity option in this series.
Ideal for
Ideal for projects that prioritize maximum stored energy in the series while keeping 12.78 kW as the design reference.
Key Specifications
Usable Capacity
20.245 kWh
VendorShow All Specifications
Battery
| Battery Chemistry | LFPVendor |
| Battery Voltage Class | HVVendor |
| Capacity (Nominal) | 21.31 kWhVendor |
| Capacity (Usable) | 20.245 kWhVendor |
| Nominal Voltage | 576 VVendor |
| Voltage Range | 504 ~ 656 VVendor |
| Min Modules | 2Vendor |
| Max Modules | 6Vendor |
| Installation Type | -Vendor |
| Capacity Scalability Min | 7.1 kWhVendor |
| Capacity Scalability Max | 255.72 kWhVendor |
| Max Charge Power | 12.78 kWVendor |
| Max Discharge Power | 12.78 kWVendor |
| Peak Discharge Power | - |
| Cycle Life | 6000 cyclesVendor |
| DoD | 95 %Vendor |
| Round-trip Efficiency | 95 %Vendor |
Environment & Mechanical
| IP Rating | IP54Vendor |
| Charge Temp Range | 0 ~ 50Vendor |
| Discharge Temp Range | -10 ~ 50Vendor |
| Heating Supported | falseVendor |
| Dimensions (W x H x D) | 504*380*1520 mmVendor |
| Weight | 263 kgVendor |
EMS & Communication
| BMS Interfaces | CAN / RS485Vendor |
| Compatible Inverters | Kostal, Goodwe, Solis, Deye, Solplanet, Solinteg, Sunways, SAJ, Sinexcel, Hoymiles, GrowattVendor |
| BMS Update Supported | trueVendor |
Compliance & Warranty
| Certifications | UN38.3, CE-EMC, IEC62619, IEC62040, UKCAVendor |
| Shipping Certifications | UN38.3Vendor |
Data Confidence & Verification
Partially verifiedData Sources
- + Official datasheet - verified 2026-04-27
- - Installation Manual - not available
- - Certificate - not available
Data gaps that may affect your decision
- ! Outdoor temperature range not specified - confirm outdoor suitability.
- ! IP rating not documented - confirm installation location suitability.
Quick Check: Does this product fit your project?
Run a single-product scenario check using the same Product Match rules.
Compliance & Certifications
No compliance data available for this product.
Certifications
-
Documents & Downloads
DATASHEET PDF
- Dyness Tower TS21 DatasheetDownload
Compatible Products - coming in Phase 3
Product data is sourced from manufacturers, official websites, and community contributions. Energidea does not guarantee completeness or accuracy. Installers should verify specifications, certifications, and compatibility with manufacturer documentation before quotation.
Los campos clave de comparación están incompletos (>30% faltante). Aún no se recomienda comparación directa.
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