Tesla Powerwall 2: risk of fire from battery cell defects
Certain battery cells in affected units may develop internal defects over time, which can cause a short circuit and overheating, increasing the risk of the battery catching fire.
What to do
Keep your Powerwall 2 online and check the Tesla app for a notice saying whether your unit is affected; if so, contact your original Tesla Certified Installer for a free replacement. If the installer is unavailable, call Tesla Support on +44 1628 450630 or visit Tesla Powerwall 2 Replacement Program.
Notice details
- Product
- Tesla Powerwall 2
- Company
- Tesla
- Hazard
- The product presents a risk of fire as certain battery cells within affected units may develop internal defects over time.
- Identifiers
- PSD notification number: 2609-0219
- Brand: Tesla
- Model: Powerwall 2
- Alert date
- September 28, 2026
- Published on GOV.UK
- September 28, 2026
- Listed on Recalled Today
- September 28, 2026
The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.
Official notice
The notice's own wording from OPSS.
Product Safety Report: Tesla Powerwall 2 (2609-0219)
- Measures taken
- modification-programme
- Summary
- Product: Tesla Powerwall 2 Hazard: The product presents a risk of fire as certain battery cells within affected units may develop internal defects over time. Corrective action: Tesla have initiated a replacement programme for affected units.
- Product information
- Type: Other - Batteries Brand: Tesla Model: Powerwall 2 Country of Origin: United States Product Description: AC battery system for residential or light commercial use. Product Report and Image: Link to product image and PDF
- Hazard
- The product presents a risk of fire as certain battery cells within affected units may develop internal defects over time. An investigation identified that battery cells manufactured by a third party may contain excessive lithium plating, which can lead to cracking of the cell casing. This may result in an internal short circuit and subsequent thermal runaway, increasing the risk of the battery overheating and catching fire. The product does not meet the requirements of the Electrical Equipment (Safety) Regulations 2016.
- Corrective action
- Tesla has remotely discharged most affected Powerwall 2 units pending replacement. Any remaining affected units are being discharged by Tesla technicians. Customers should ensure their Powerwall 2 remains online and check the Tesla app for a notification confirming whether their unit is affected. If a replacement is required, customers should contact their original Tesla Certified Installer to arrange installation. Affected Powerwall 2 units will be replaced free of charge. If the original installer is unavailable, customers should contact Tesla Support on +44 1628 450630 or visit Tesla Powerwall 2 Replacement Program. Additional information PSD notification numbers: 2609-0219 Notifying Authority: Local Authority Trading Standards
Contains public sector information licensed under the Open Government Licence v3.0. Open Government Licence
Recalled Today is independent and is not an official government page.
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