Product Description

The Sync Energy Flow 20.48kWh Battery Stack is a high-capacity, modular energy storage solution designed for residential and light commercial applications with substantial energy requirements. Supplied with four 5.12kWh LiFePO₄ battery modules, it delivers powerful, scalable storage that can be expanded as energy demands grow.

Featuring a 90% depth of discharge, IP65 ingress protection and integrated fire suppression, the Flow battery system offers safe, reliable performance in demanding environments. Its modular design supports total storage capacities of up to 35.84kWh when combined with additional stacks.

Designed for fast, professional installation, the Flow system includes plug-and-play battery connections, adjustable feet for accurate positioning and concealed wiring for a clean, discreet finish. Monitoring and optimisation are managed via the Sync Energy app, providing real-time insight into battery performance and energy usage.

Key Features & Benefits

• Modular, stackable battery storage system
• Supplied with 4 × 5.12kWh LiFePO₄ battery modules (20.48kWh total)
• Scalable storage capacity up to 35.84kWh
• 90% depth of discharge for maximum usable energy
• Integrated fire suppression for enhanced safety
• Integrated heating system for charging below 5°C
• IP65 ingress protection and IK10 impact resistance
• Plug-and-play battery connections for fast installation
• Remote monitoring and control via the Sync Energy app
• Silent operation (0 dB)

Dimensions & Weight

• Dimensions (HxWxD): 2400 × 245 × 347 mm
• Total Weight: 204.4 kg

Installation Details

• Installation method: Ground mounted
• Wall mounting bracket supplied
• Adjustable feet for level installation
• Hinged access door for tidy wiring and isolator access
• Two selective cable entry points
• Fixing screws supplied

Construction & Appearance

• Steel housing with galvanised front finish
• Painted polycarbonate base
• Anthracite Grey finish (RAL 7016)
• Four-module configuration
• Green LED power indicator
• UV stable for long-term outdoor installation

Technical Specifications

• IP rating: IP65
• IK rating: IK10
• Operating temperature range: -25°C to +55°C
• Smart monitoring via Sync Energy app

Battery Information

• Battery included: Yes (4 modules supplied)
• Battery type: LiFePO₄ (Lithium Iron Phosphate)
• Battery capacity per module: 5.12kWh
• Total battery capacity supplied: 20.48kWh
• Battery weight per module: 51.1 kg
• Depth of discharge: 90%

Compliance

• WEEE group: 1 (Large household appliances)

Downloads & Resources

Data Sheet:
View the Data Sheet

Instruction Manual:
View the Instruction Manual

BG Sync Energy Flow Catalogue:
View the Catalogue