Tesla Recalls 10,500 Powerwall 2 Batteries in US Over Fire Risk
Tesla recalls Powerwall 2 batteries over fire risk

Tesla Issues Major Safety Recall for Home Battery Systems

Tesla has announced a significant safety recall affecting approximately 10,500 units of its Powerwall 2 home battery systems across the United States. The action was taken after the electric vehicle and energy company received 22 separate reports of the systems overheating, creating potential fire and burn hazards.

The official recall notice was published on Thursday, highlighting that the defect could lead to serious injury or even death. Fortunately, no injuries have been reported to date, though the US Consumer Product Safety Commission (CPSC) confirmed that the issue has caused property damage in a number of instances.

What is the Powerwall 2 and What is the Defect?

The Powerwall 2 is a popular residential energy-storage unit designed to work with solar-panel systems. Its primary functions include storing solar electricity for later use, allowing homeowners to shift their energy consumption to cheaper, off-peak periods, and providing crucial backup power during grid outages.

The root of the problem has been identified in certain lithium-ion battery cells within the units. Under specific conditions, these cells can overheat, potentially leading them to smoke or ignite. This fault transforms the essential home energy unit into a significant safety concern.

Tesla's Immediate Response and Customer Action

In response to the discovery, Tesla is taking proactive steps to mitigate the risk while organising a permanent solution. The firm has begun remotely limiting the maximum charge capacity on all affected Powerwall units. This measure is designed to reduce the likelihood of overheating while the replacement process is underway.

Crucially for consumers, Tesla has committed to providing free replacements for all faulty units. Owners of the affected Powerwall 2 systems do not need to take any immediate physical action but should await direct communication from Tesla to arrange their replacement.

Broader Implications for Tesla's Energy Business

This recall shines an unwelcome spotlight on the battery-cell suppliers for Tesla and arrives at a pivotal moment for the company. Tesla's energy-storage division is becoming an increasingly vital part of its business strategy as it seeks to expand beyond its core electric vehicle market.

Incidents like this recall test consumer confidence in home energy storage technology and underscore the challenges of scaling up complex, safety-critical products for mass-market adoption.