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Sigenergy 5kWh Modular Battery Expansion Kit

5.2kWh modular LiFePO4 battery with IP66 rating for flexible indoor or outdoor installation.,

after rebate

FROM

4,180.00

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White Sigenergy 5kWh battery unit with modular design for residential solar energy storage

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Off-Grid Solar
Sigenergy 5kWh Modular Battery Expansion Kit

Power your life off-grid, in every season.

Summary

Sigenergy SigenStor 5kWh battery: 5.38kWh LiFePO4 with 5.2kWh usable capacity. IP66-rated for indoor or outdoor install, floor or wall-mount, 10-year warranty. ,180.

Target Profile

Small off grid cabins, Tiny house off grid solar, Homeowners starting a modular system, Budget-conscious off-grid builds

System Information

Battery Capacity

5.2kWh

Sigenergy SigenStor 5kWh Battery Compact, modular Lithium battery with 5.2kWh usable capacity.

Off grid system Sigenergy battery 5kWH

Sigenergy SigenStor 5kWh Battery Compact, modular Lithium battery with 5.2kWh usable capacity.

IP66 rated for indoor/outdoor use, 10-year warranty.
Battery Type: LiFePO₄ (Lithium Iron Phosphate)
Total Energy Capacity: 5.38 kWh
Usable Energy Capacity: 5.2 kWh
Max Charge/Discharge Power: 2.5 kW (3.75 kW peak for 10 seconds)
Dimensions (W x H x D): 767 mm × 270 mm × 260 mm
Weight: 55 kg
Operating Temperature: -20°C to 55°C
Installation Options: Floor-standing or wall-mounted
Ingress Protection: IP66 (indoor & outdoor rated)
Warranty: 10 years

Not sure which system is right for you?

That's exactly what we're here for. Tell us about your home, your site, and how you live - we'll recommend the system that fits.

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100Up DesignedOff Grid Solar

Sigenergy SigenStor 5kWh compact modular lithium battery offers 5.2kWh usable capacity with LiFePO₄ technology. IP66 rated for indoor and outdoor installation, supporting 2.5kW continuous power with 3.75kW peak output. Features flexible floor or wall mounting, wide operating temperature range, and includes a comprehensive 10-year warranty.

Systems designed for a Ballarat winter

Sized for real-world conditions

Recommendations based your property

Advice based on your family, home and the way you live

Off-grid Redundancy experience

Technical experience that goes beyond standard solar installs

100up Off Grid Solar Installed

Regional Victorian Home Owners 100% Off Grid with properties just like yours

Solar Projects

5kw off grid solar system
12kW off grid solar Ballarat
Solar & EV Installation
10kW Off grid solar system near Ballartat VIC

A modern solar and battery setup with solar panels also functioning as carport cover

Target Property Profile

Energy Independence Optimision

Small off grid cabins, Tiny house off grid solar, Homeowners starting a modular system, Budget-conscious off-grid builds

Full Occupancy Design for Long-Term Performance

We size for maximum bedroom capacity, not current usage, so your system supports future owners, growing families, and stronger resale value.

Redundancy Where Reliability Demands It

For larger or higher-risk properties, we can design dual or triple inverter redundancy to reduce single points of failure and keep critical loads running if one unit goes down.

Worst-Case Winter Solar Sizing

We oversize arrays for dark Ballarat winter weeks, capturing enough energy in short sun windows to recover batteries fast.

Battery Autonomy for Consecutive Low-Sun Days

Every system includes roughly two days of battery reserve, so poor weather doesn’t force lifestyle cutbacks or generator dependence.

Learn more about our Off Grid Design Principals

Target Profile