Dyness STACK280 battery module 14.34 kWh / 51.2 V / 280 Ah

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Overview

The Dyness STACK280 (model S51280) is a high-voltage stackable LiFePO4 battery module designed for residential and small commercial energy storage. Each module delivers 14.34 kWh nominal energy (13.62 kWh usable) at 51.2 V / 280 Ah. Modules connect via blind-mate composite connectors with no cables between modules, allowing 3 to 15 modules to be stacked into a single cluster for 43 to 215 kWh of capacity.

Key Features

• Plug-and-play stacking: rackless design, modules stack onto the SBDU with composite blind-mate connectors. No inter-module wiring.
• Built-in aerosol fire extinguisher in every module, suppression in approximately 5 seconds.
• LiFePO4 chemistry, 8000+ cycle life at 95% DOD, 10-year warranty.
• 200 A continuous, 280 A peak (2 min) charge/discharge per cluster.
• Forced air cooling with built-in air duct between modules.
• Module mixing tolerated within 3 years of production date.
• Self-discharge low: up to 10-12 months in storage without charging.

Technical specifications

System requirements

The module requires the Dyness STACK280 SBDU control unit and Standard Base to operate. A minimum of 3 modules per cluster is required; up to 15 modules per cluster, up to 12 clusters in parallel.

Compatible inverters

Solis, Growatt, Sosen, Solinteg, Atess, Magarevo, Deye, GoodWe, SINENG, SINEXCEL, Megarevo (CAN or RS485 communication via the SBDU).

Applications

• Residential solar self-consumption and backup
• Small commercial and industrial energy storage
• Off-grid and hybrid systems
• Peak shaving and time-of-use optimization