Why We Choose Sigenergy

We install one battery brand. Here’s why.

At Lenergy, we’ve chosen to partner with Sigenergy as a platinum installer. Right now, they’re the best home battery brand on the market, with cutting edge technology, the most advanced specs and unparalleled levels of safety. That’s why the SigenStor is the only home battery system we put into Australian homes, backed by Sigenergy’s own specs, independent safety certification, and what installers across the country are actually saying about the product.

Why we trust Sigenergy

All-in-one 5-in-1 design. The inverter, battery, EV DC charger and energy management system all sit in one unit. That matters because fewer separate components means less on-site work, fewer things that can go wrong at the joins, and one warranty point of contact instead of three.

2026 SolarQuotes Battery of the Year. Chosen by 600 installers in the SolarQuotes network, with the highest share of the vote of any brand surveyed. This matters because it’s the people who install these systems every day, across every brand on the market, saying which one they’d choose.

100% usable capacity. The 314Ah long-cycle-life cells run at full depth of discharge. Many batteries only let you use 90 to 95% of what you paid for. With Sigenergy, every kWh you pay for is a kWh you can actually use.

0ms backup switching. When the grid drops out, there’s no noticeable gap before the battery takes over, on single or three-phase systems. That’s the difference between a blackout you barely notice and one where the lights actually flicker off first.

IP66-rated, install-anywhere build. The system is rated for outdoor mounting in Australian heat, dust and humidity. That means it holds up to the conditions Australian homes actually deal with.

AI-managed energy via the mySigen app. The system automatically shifts between solar, battery and grid based on your tariff and usage. In a market with time-of-use pricing and feed-in tariffs, that automation is what turns a good battery into one that actually saves you money day to day.

Modular and stackable. Capacity can be added later without replacing the system. That protects the investment if your needs change, whether that’s a new EV, a home extension, or just wanting more storage down the track.

CEC-listed. SigenStor configurations appear on the Clean Energy Council’s approved product list. That matters because it underpins your eligibility for state and federal rebates. A battery that isn’t CEC-listed can cost you access to incentives, no matter how good the hardware is. 

Five-layer battery protection. Sigenergy builds five independent safeguards into every battery pack:

• Internal fire extinguisher. Automatically releases aerosol to neutralise flammable gases and suppress thermal runaway within four seconds.
• High-temperature resistant insulated pads. Line the inner walls of the pack to insulate and stop heat spreading to the outer shell.
• Aerogel insulated pads. Sit between individual cells to block heat transferring from one cell to the next.
• Decompression valves. Safely vent internal pressure if it reaches a critical threshold.
• Real-time temperature sensors. Seven sensors per module continuously track heat levels and catch problems early.

Built on top of the IP66 rating and 0ms failover already covered above, battery safety has been a real concern for Australian homeowners in recent years, so five independent layers of protection means you know that you are safe in the event of a fault.

Australia and New Zealand-specific warranty. 10 years on the battery, 10 years on the energy controller, 3 years on the EV charging module. A region-specific warranty, rather than a generic global document, means local support and parts availability behind the cover, not just a PDF.

Backed at scale. Sigenergy reports over 1,490 staff, roughly 40% in R&D, and more than 17,500 registered installers worldwide. For a product carrying a 10-year warranty, that scale is what gives you confidence the company will still be around, and still supporting the hardware, a decade from now.