SKU: 91000065548

Sync Energy SEFB512G4 Flow 4 Batteries 20.5kW

Sale price$2470.47 Regular price$2744.97
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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

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Description

Sync Energy SEFB512G4 Flow 4 Batteries 20.5kWSync Energy SEFB512G4 Flow Battery Stack 20. 48kWh (4 Modules) 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 LiFePO battery modules, it delivers powerful, scalable storage that can be expanded as energy demands grow. Featuring a 90% depth of discharge, IP65

Sync Energy SEFB512G4 Flow Battery Stack – 20.48kWh (4 Modules)

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

Sync Energy Flow Catalogue:
View the Catalogue

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91000065548

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Megan Krachanko
Los Angeles, US
★★★★★ 5
Fsvorites!
Size: 11 Wide Big Kid, Color: Orange
These are my 4yo grandson's davorutez!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
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Ashley Harmon
Lowell, US
★★★★★ 5
Nice, cute shoes for my 4 year old daughter
Size: 9 Toddler, Color: Gold/Rainbow
These shoes are so cute and great quality. My daughter wanted a pair of saucony shoes like mine. So I’m glad I was able to find her a pair.
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Reviewed in the United States on April 21, 2026
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Lindsey
Whiting, US
★★★★★ 5
Well made sneaker
Size: 10 Wide Toddler, Color: Pink/Purple
I'm really impressed and my toddler loves their new sneakers. Will be ordering again
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Reviewed in the United States on April 22, 2026
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Heather
Lake Worth, US
★★★★★ 5
Great for wide feet
Size: 8 Wide Toddler, Color: Pink/Purple
Easy on and off. Great for wide feet. I love that the velcro is just across the top and doesn’t loop around.
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Reviewed in the United States on April 16, 2026
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Patrick Magner
Los Angeles, US
★★★★★ 1
Wore through quickly
Size: 11 Little Kid, Color: Navy/Orange, Size: 11 Little Kid, Color: Navy/Orange
My four year old wore through these in less than 2 weeks. With normal wear.
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Reviewed in the United States on May 3, 2026

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