Dyness S51100 5.12kWh HV Lithium Battery Module

Dyness S51100 5.12kWh HV Lithium Battery Module Overview

The Dyness S51100 5.12kWh HV lithium battery module is a high-voltage energy storage module designed for use within the Dyness Stack100 battery system. Built using advanced LiFePO4 lithium iron phosphate technology, this battery module delivers excellent safety, long lifespan, strong charging performance, and scalable energy storage capability for residential, commercial, and industrial solar systems.

This battery module forms part of the modular Dyness Stack100 HV battery platform, allowing multiple modules to be stacked together to create larger high-voltage battery systems for hybrid and off-grid energy storage applications.

Designed for the Dyness Stack100 System

The Dyness S51100 is not a standalone low-voltage battery. It is a dedicated high-voltage expansion battery module designed specifically for the Dyness Stack100 HV energy storage system.

By stacking multiple modules together, users can build larger battery banks suitable for residential backup systems, commercial solar installations, farms, offices, and industrial applications.

• 5.12kWh battery module capacity
• Designed for Stack100 HV battery systems
• Scalable modular battery architecture
• Suitable for hybrid and off-grid systems

Expandable High-Voltage Energy Storage

The Stack100 system supports multiple battery modules connected together in a vertical stack configuration. This allows the energy storage capacity to grow as system requirements increase.

• Supports 3 to 15 battery modules per cluster
• System energy range from 15.36kWh to 76.8kWh per stack
• Supports up to 12 clusters in parallel
• Maximum expansion capacity up to 921kWh

This makes the Dyness Stack100 platform suitable for both smaller residential systems and larger commercial energy storage projects.

Advanced LiFePO4 Battery Technology

The S51100 battery module uses lithium iron phosphate chemistry for enhanced safety, stability, and lifespan. LiFePO4 technology is widely regarded as one of the safest battery technologies available for solar energy storage systems.

Benefits of LiFePO4 Technology

• Excellent thermal and chemical stability
• Long operational lifespan
• Improved safety compared to conventional lithium batteries
• Stable voltage output
• Low maintenance operation

High Performance and Fast Charging

The Dyness S51100 supports strong charging and discharging performance for demanding energy storage applications.

• Nominal Energy: 5.12kWh
• Usable Energy: 4.864kWh
• Nominal Voltage: 51.2V
• Capacity: 100Ah
• Maximum Charge and Discharge Rate: 1C (100A)
• Peak Discharge Current: 125A for 2 minutes
• Maximum Charge and Discharge Power: 5.12kW

The battery system is suitable for applications requiring reliable backup power and efficient solar energy storage.

Ultra-Safe Battery System

The Dyness Stack100 platform includes intelligent safety systems designed for high-voltage battery operation.

• Built-in aerosol fire extinguishing system
• Integrated battery protection systems
• Advanced Battery Management System (BMS)
• Automatic battery equalization

The integrated safety features are designed to improve operational reliability and system protection in residential and commercial environments.

Smart Monitoring and Communication

The battery module supports intelligent communication and monitoring functions for integration with compatible hybrid inverters and monitoring systems.

• CAN communication support
• RS485 communication support
• WiFi and APP monitoring support
• Real-time battery monitoring

Flexible Installation Design

The Stack100 system is designed for easy installation and modular expansion.

• Cable-free stacking design
• Plug-and-play module installation
• Fast installation process
• Rackless modular battery architecture

The compact modular structure allows installers to build scalable energy storage systems while maintaining a clean and professional installation appearance.

Reliable Environmental Performance

The battery system is engineered for stable operation across a wide range of environmental conditions.

• Operating temperature range from -20°C to +55°C
• Optional automatic self-heating functionality
• Forced wind cooling system
• High-temperature resistant design

Technical Specifications

• Battery Model: S51100
• Battery Chemistry: LiFePO4 (LFP)
• Nominal Energy: 5.12kWh
• Usable Energy: 4.864kWh
• Nominal Voltage: 51.2V
• Capacity: 100Ah
• Maximum Charge & Discharge Rate: 1C (100A)
• Peak Discharge Current: 125A for 2 minutes
• Maximum Power: 5.12kW
• Depth of Discharge: 95%
• Communication: CAN / RS485
• Protection Rating: IP20
• Cycle Life: ≥8000 cycles
• Dimensions: 590 × 390 × 133 mm
• Weight: 15.3kg
• Installation Type: Stack Mounted
• Warranty: 10 Years

Compatible Inverters

The Dyness Stack100 system is compatible with a wide range of hybrid inverter brands, including:

• Deye
• Sunsynk
• Solis
• Goodwe
• Growatt
• SMA
• Kostal
• Solplanet

Applications

The Dyness S51100 HV battery module is suitable for:

• Residential solar energy storage systems
• Commercial backup systems
• Off-grid solar systems
• Hybrid inverter systems
• Expandable high-voltage battery installations

Important Installation Notice

This battery module is designed specifically for use within Dyness Stack100 high-voltage battery systems and must be installed by qualified solar and electrical professionals familiar with high-voltage lithium battery systems.

Correct system sizing, commissioning, communication setup, and safety procedures are essential for proper system operation.

Why Buy from JC Solar Panels

JC Solar Panels supplies advanced solar batteries and energy storage solutions across South Africa. We assist residential, commercial, and industrial clients with scalable solar systems, reliable backup power solutions, and professional product support for long-term energy independence.