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 Jul 30 - Aug 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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4.3 ★★★★★
Based on 17 reviews
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Verified Purchase
Trice
West Palm Beach, US
★★★★★ 5
Perfect for Formal Events – Looked Amazing at a Mardi Gras Ball
Size: Medium, Color: Black
My husband wore this 3-piece suit to a Mardi Gras ball and it was absolutely perfect. The fit was true to size, and the vest really elevated the overall look. The material felt high quality for the price—comfortable, breathable, and not stiff at all, even after hours of wearing it. He received multiple compliments throughout the night, and the suit photographed beautifully under ballroom lighting. It arrived well packaged and needed minimal steaming before wearing. Overall, we were very impressed with the style, quality, and value. We would definitely purchase again for future formal events.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
Y
Verified Purchase
Yousf0
Charlottesville, US
★★★★★ 5
Best suit
Size: Medium, Color: Black-peak Lapel
I got a Size medium it suits me very well and it’s not skin tight or anything annoying very comfortable and good martial not cheap at all over all very satisfied with my suit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
W
Verified Purchase
William Mehnert
Whiting, US
★★★★★ 4
Good Quality overall. Pants need work.
Size: 4X-Large, Color: Black
I'm 6'0. 305 lbs and have a beer belly. The 4xl jacket fit like a glove. The vest on the other hand is hard to button and I can't use it. The pants, as expected are a few inches too long and a bit baggy from the knee to the butt and I will have to have them altered. I will say the pants cannot be pulled up too far as the crotch area is very shallow. I wish there were just a bit more room there to pull the pants over my belly. The overall quality is 3.8 out of 5.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
C
Verified Purchase
Catherine McKeithan
Chelsea, US
★★★★★ 5
Great look!
Size: Medium, Color: Black-red
My grandson looked stunning in this suit which fitted perfectly. The fabric is nice and just a great value for the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
D
Verified Purchase
DM
Whiting, US
★★★★★ 5
High quality, great value
Size: Large, Color: Black
Fits properly, and the material feels very high quality. I would purchase from them again for other outfits
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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