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Tesla Powerwall 2 Battery Energy Storage Units
Official notice
3 Oct 2025
Last checked
3 Oct 2025
An official Product Safety NZ notice concerns Tesla Powerwall 2 Battery Energy Storage Units. Tesla has identified certain lithium-ion battery cells from a third-party supplier in a subset of Powerwall 2 systems sold within the stated date range that may fail and overheat (the defect). Tesla has received reports of Powerwall 2 units with the affected battery cell defect smoking or emitting flames. Published 2025-10-03.
What to do now
Tesla has notified impacted customers through the Tesla app. Customers should confirm their Powerwall 2 system is online and check for a notification. Tesla has proactively discharged all affected units in New Zealand, and locked them out, to mitigate overheating risk in the interim. Tesla considers these discharged units do not pose a fire or overheating risk. Tesla will be replacing affected units at no cost. Tesla or a third-party service provider will contact customers with affected units to schedule replacement.
Official notice
2025-10-03
The hazard
The hazard
Tesla has identified certain lithium-ion battery cells from a third-party supplier in a subset of Powerwall 2 systems sold within the stated date range that may fail and overheat (the defect). Tesla has received reports of Powerwall 2 units with the affected battery cell defect smoking or emitting flames.
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Turn on recall alertsAffected products
Affected products
Product 1
Risk / hazard
Where it was sold
Where it was sold
The source does not list specific retailers. See the official notice for where affected products were sold.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Tesla Powerwall 2 Battery Energy Storage Units. Contact: Tesla New Zealand www.tesla.com/en_nz/support/energy/powerwall/own/powerwall-2-replacement. Phone 0800 889 030.
Source & status
Source & status
Recall details
Recall details
Classification
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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