Dyness Tower T21 Battery 576V 21.31kWh LiFePO4

Product Description

The Dyness Tower T21 576V 21.31kWh LiFePO4 Battery is the highest capacity version of the Tower series, designed for large residential and light C&I applications. With six modules, 21.31 kWh usable and operation at 576 V nominal, it maximizes inverter efficiency and reduces the required conductor cross-section. Its master BMS, industrial communications, and IP54 enclosure ensure reliable integration in demanding environments.

Main Features

• High voltage: 576 V nominal (range 504–657 V).
• Energy per tower: 21.31 kWh · 37 Ah.
• Continuous power: ≈12.78 kW (0.6 C).
• Connection: CAN/RS485/RS232 with Dyness profile.
• IP54 indoor/outdoor installation with floor base.
• Parallel: up to 4 towers to increase kWh and kW.

Advantages or Benefits

• Efficiency and lower losses thanks to HV.
• LFP safety with full BMS protections.
• Scalability and easy maintenance with monitoring.
• Self-configuration and remote update for quick commissioning.

Purpose or Applications

Large homes, SMEs, and light C&I in three-phase, on-grid with backup/peak-shaving and off-grid (depending on inverter). Not compatible with 48 V.

Technical Specifications

Compatibilities

HV inverters with Dyness profile via CAN/RS485/RS232 (Deye/SUN, GoodWe, Solis, Kostal, Ingeteam, SAJ, Sunways, eCactus, etc.). Not compatible with LV inverters of 48 V.

Dyness Tower T21 576V 21.31kWh LiFePO4 Battery is a professional solution for demanding renewable energy projects: more autonomy, better use of space, and maximum efficiency.