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Battery Storage

Sigenergy

SigenStor

AI-powered energy management, premium build quality, exceptional value.

5.12–30.72 kWh

Usable Capacity

0% VAT

Domestic install

10 years

Warranty

Sigenergy SigenStor installed by Premier Electrical Renewables

About the Sigenergy SigenStor

The Sigenergy SigenStor has quickly established a reputation for excellent build quality, intelligent software, and competitive pricing. Its all-in-one design integrates a hybrid inverter and LFP battery modules in a clean wall-mount enclosure with a distinctively modern aesthetic. Sigenergy's system architecture supports both solar-first and grid-first charging strategies, and its AI-powered energy management algorithm adapts to your usage patterns over time to continuously optimise savings — all without manual configuration.

Key Features

AI Energy Management

Sigenergy's proprietary algorithm learns your household consumption patterns and automatically optimises charge and discharge cycles — no manual configuration required.

Premium Build Quality

The SigenStor's enclosure quality, cable management system, and component grade genuinely match or exceed competing systems at higher price points.

Seamless Backup Power

Switches to off-grid mode during grid outages in under 20ms — virtually instantaneous. No UPS required for most sensitive equipment.

Modular Growth

Starting capacity of 5.12kWh expandable to 30.72kWh by adding modules without replacing the inverter — future-proof for EVs, heat pumps, and growing consumption.

Smart Tariff Ready

Native integration with Octopus Energy tariffs and compatibility with all major UK smart tariff providers. Set charge windows and the system handles the rest.

Contemporary Design

A clean matte white enclosure designed to look at home in modern living spaces, utility rooms, and garages alike.

Why Premier Electrical installs this product

We added the SigenStor to our range after thorough product testing and installation experience. Its build quality is genuinely impressive for the price point — the enclosure quality, cable management, and system integration are closer to the Powerwall 3 than competing systems at this price. Sigenergy's AI energy management sets it apart: it learns your household's consumption patterns and automatically optimises charge and discharge cycles without manual configuration. For customers who want premium performance and aesthetics without the Tesla price tag, the SigenStor is our recommendation.

Technical Specifications

SpecificationValue
Inverter Power5 kW continuous
Starting Capacity5.12 kWh (1 module)
Maximum Capacity30.72 kWh (6 modules)
Battery ChemistryLFP (LiFePO4)
Round-trip Efficiency95%+
Operating Temperature−10°C to 50°C
IP RatingIP65
Depth of Discharge96%
Energy ManagementAI-powered optimisation
Backup ModeSeamless off-grid switching
Warranty10 years
VAT (domestic)0%

Specifications may vary by model variant. Panel selection is confirmed at survey stage based on your roof, usage, and budget.

Installed Price

From £5,200 installed

0% VAT on domestic installations

Free home survey included
0% VAT on domestic installations
NICEIC approved installation
Manufacturer warranty registered
Get a Free Quote0330 122 4418

Warranty

10 years

Registered by Premier Electrical Renewables at point of installation.

Installation Service

Battery Storage

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NICEIC Approved Contractor

Electrical safety assured

Tesla Certified Installer

For Powerwall & Wall Connector

5 Google Rating

50 verified reviews

50 Five-Star Reviews
NICEIC Approved
Tesla Certified
0% VAT Applied

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Everything is completely free and no obligation. We survey, design the right system, and quote — you decide if and when to proceed.

  • Free property survey & roof assessment
  • Bespoke system design & payback report
  • Full written quote within 48 hours
  • No pushy sales — you decide
£600–£1,200Avg. annual savings
7–10 yrsTypical payback period
25 yrPanel performance warranty