The encyclopedia · Product & Design · Product decision · 2025–2026
Sigenergy's SigenStor: Australia's top home battery recalled a plug at a time
The 8/10/12 kW controller's AC plug can overheat and melt into a fire risk. ~100 units recalled; free replacement with an updated plug, firmware watched.
Sigenergy · 2025-11-21
What happened
Sigenergy's SigenStor was Australia's top-selling home battery. The single-phase 8/10/12 kW energy controller with a quick-connect AC plug could overheat — inverter components heating and the plug melting into a fire risk.
On November 21, 2025, the ACCC published the recall of around 100 affected controllers — a small proportion of the installed base, but incidents had already occurred, with no property damage, injuries or deaths reported. An October 9 installer notice about installation methods preceded it.
The remedy is a free replacement controller with an updated AC plug, arranged through retailers or Sigenergy service partners, with the system kept internet-connected for firmware updates and proactive monitoring. The flagship of the rooftop boom recalled a hundred plugs.
Why it happened
- The quick-connect AC plug and inverter components can overheat and melt — incidents occurred; ACCC recall Nov 21, 2025, after an Oct 9 installer notice
- Around 100 controllers recalled — a small proportion of Australia's top-selling home battery, which makes the plug the whole story
- The remedy keeps the system internet-connected for firmware updates and proactive monitoring — the fix is a plug plus a permanent uplink
The lesson
A home battery is bought to keep the lights on through a fire season — its own melted plug is the irony the category keeps shipping. Small recall, loud signal.
Sources
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