Buy Dyness Tower T21: 21.31kWh Lithium Battery Pack

R48,000.00

Dyness Tower T21 Specification

  • Model: Tower T21.
  • Battery Module: LiFePO4.
  • Battery Module Quantity: 6.
  • Brand: Dyness.
  • Nominal Energy: 21.31 kWh.
  • Usable Energy: 20.245kWh.
  • Operating Voltage: 504 – 657V.
  • Nominal Voltage: 576V.
  • Capacity: 37Ah.
  • Max. Continuous Charge/Discharge: 12.78 kW.
  • Recommended Depth of Discharge: 95% DOD.
  • Dimensions: [W*D*H]: 504*380*1500 mm.
  • Weight: 269 kg.
  • Communication: CAN/RS489.
  • Cycle life: ≥6000 Cycles.
  • Protection Level: IP58.
  • Colour: White.
  • Battery Module Name: HV9641.
  • Compatible Inverters: Goodwe, Solis, Deye, Solplanet, Solinteg, Sunways, SAJ, Sinexcel, Hoymiles, Growatt, ATESS etc.

Description

Looking for one of the most advanced, high-capacity energy storage solutions available in South Africa? Buy Dyness Tower T21: 21.31kWh Lithium Battery Pack now from Solaray Energy, your trusted partner for solar energy and power backup solutions across South Africa, Namibia, Zambia, Botswana, and Lesotho.

The Dyness Tower T21 delivers exceptional power output, safety, and scalability—ideal for high-demand residential, commercial, or industrial applications. With a usable capacity of 21.31kWh, it is one of the most reliable lithium battery packs available on the market today.


🔋 Product Overview: Buy Dyness Tower T21: 21.31kWh Lithium Battery Pack

The Dyness Tower T21 is part of Dyness’s top-tier modular lithium battery range, specifically designed for large-scale applications. Featuring LiFePO4 (Lithium Iron Phosphate) chemistry, the battery offers higher energy density, extended lifespan, and outstanding safety.

  • Total Energy Capacity: 21.31kWh
  • Usable Energy: 21.31kWh (100% DoD)
  • Battery Chemistry: LiFePO4
  • Cycle Life: >6,000 cycles @ 90% DoD
  • Nominal Voltage: 204.8V
  • Scalability: Up to 8 units in parallel
  • Certifications: UN38.3, IEC62619, CE

Whether you’re building an off-grid estate, equipping a data center, or powering a commercial building, the Dyness Tower T21 is built to deliver long-term performance and energy security.


🚀 Key Features & Benefits

✅ Massive 21.31kWh Usable Capacity

The Tower T21 is built to serve energy-intensive environments. This makes it ideal for:

  • Large households
  • Agricultural setups
  • Commercial facilities
  • Hospitals or clinics

✅ Exceptional Lifespan & Durability

With over 6,000 life cycles at 90% depth of discharge, you can rely on this battery for over 15 years of dependable service.

✅ Advanced Battery Management System (BMS)

Equipped with a high-precision BMS that ensures:

  • Voltage control
  • Temperature monitoring
  • Overcurrent protection
  • Real-time status updates

✅ Superior Safety with LiFePO4 Technology

Lithium Iron Phosphate batteries are known for:

  • Non-toxicity
  • Thermal stability
  • Fire resistance
  • Environmental friendliness

✅ Scalable for Commercial & Industrial Expansion

Need more power? Combine multiple T21 units to reach over 170kWh total capacity. Perfect for commercial-scale installations.


🌐 Integration & Compatibility

The Dyness Tower T21 is compatible with all major hybrid and off-grid inverters including:

  • Sunsynk Hybrid Inverters
  • Victron MultiPlus-II
  • Deye Inverters
  • Growatt and Luxpower inverters

It also supports CAN/RS485 communication protocols, enabling real-time data synchronization and smart integration into your solar ecosystem.

For best performance, pair with:


🏠 Ideal Applications

• Off-Grid Residences

Enjoy uninterrupted power with full independence from Eskom.

• Commercial and Office Spaces

Keep your operations running during load-shedding and reduce electricity bills with energy arbitrage.

• Industrial Facilities

Support heavy equipment and 3-phase machinery with scalable power solutions.

• Agricultural Setups

Power irrigation pumps, refrigeration, and processing equipment reliably.


🚚 Nationwide Shipping & Installation Support

Solaray Energy provides fast delivery across:

  • South Africa
  • Namibia
  • Zambia
  • Botswana
  • Lesotho

We also offer professional installation and setup by certified technicians, ensuring a hassle-free experience.


🌍 Designed for African Conditions

Built to withstand harsh weather and unstable grid conditions:

  • Operating Temperature: -20°C to 55°C
  • Humidity Resistant Enclosure
  • Rugged design with indoor installation support

🌟 Why Buy from Solaray Energy?

  • Trusted supplier for high-quality lithium battery packs
  • Official Dyness battery distributor
  • Expert advice & configuration assistance
  • Warranty-backed products
  • After-sales technical support

✨ Technical Summary

Attribute Specification
Model Dyness Tower T21
Energy (Usable) 21.31kWh
Chemistry LiFePO4
Nominal Voltage 204.8V
Operating Temp -20°C to 55°C
Communication Ports CAN, RS485
Certification CE, UN38.3, IEC62619
Weight ~170kg

☑ Warranty & Support

  • 10-year manufacturer’s warranty
  • Local servicing and parts
  • 24/7 customer support via our platform

🛎️ Order Now

Ready to make the switch to large-scale energy independence? Buy Dyness Tower T21: 21.31kWh Lithium Battery Pack now and experience power without compromise.

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