Tesla Powerwall 2 Battery Energy Storage Units

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.

What to do

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.

Description

Sold from 1 November 2020 to 30 June 2022 Each unit has a unique serial number. Customers who own units with serial numbers that are part of the affected population will receive a notification through the Tesla app.

Recall date

October 3, 2025

No confirmed match to a specific product in our database yet for this recall.

Last updated September 23, 2026