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| {{ProductLineCargo
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| |ArticleType=Product
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| |Category=Home energy storage battery
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| |Company=[[Tesla]]
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| |Description=
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| |InProduction=Yes
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| |Logo=
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| |ReleaseYear=2015
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| |Website=https://www.tesla.com/powerwall
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| }}
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| '''Tesla Powerwall''' is a product line of rechargeable lithium-ion home energy storage manufactured by Tesla Energy, a division of [[Tesla]]. Its purpose is to store backup power, allow the owner to use an alternative source of energy during peak hours, or otherwise for self-consumption.
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| ==Consumer impact summary==
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| *'''Requires app download:''' To have full use of functionality and features, the customer [[Forced app download|must download]] the Tesla application.
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| *'''Requires account:''' The product must be registered to a Tesla account.<ref>{{Cite web |author= |title=Registering Your Powerwall |url=https://www.tesla.com/support/energy/powerwall/own/registering-your-powerwall |website=[[Tesla]] |date= |access-date=21 Dec 2025 |url-status=live |quote=To complete installation of your Powerwall, you must register it to your Tesla Account and connect it to your home Wi-Fi network.}}</ref>
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| *'''Always online:''' The product itself does not require internet connectivity ''per se'', but certain features will not be available. More notably, it is stated in the limited warranty agreement that failure to register and connect to the internet will greatly decrease the duration of the warranty.<ref>{{Cite web |author= |title=Tesla Powerwall Limited Warranty (USA) |url=https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/General/Warranty/en-us/Powerwall-Warranty-EN.pdf |website=[[Tesla]] |date=13 Nov 2025 |access-date=21 Dec 2025 |url-status=live |archive-url=https://web.archive.org/web/20251221223944/https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/General/Warranty/en-us/Powerwall-Warranty-EN.pdf |archive-date=21 Dec 2025 |format=PDF |page=5}}</ref> This effectively "encourages" the customer to always be connected so that Tesla Energy can remotely push firmware updates.
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| *'''Arbitration:''' Agreement includes usage of [[Forced arbitration|mandatory arbitration]].<ref>{{Cite web |author= |title=Tesla Powerwall Limited Warranty (USA) |url=https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/General/Warranty/en-us/Powerwall-Warranty-EN.pdf |website=[[Tesla]] |date=13 Nov 2025 |access-date=21 Dec 2025 |url-status=live |archive-url=https://web.archive.org/web/20251221223944/https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/General/Warranty/en-us/Powerwall-Warranty-EN.pdf |archive-date=21 Dec 2025 |format=PDF |page=3}}</ref>
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| *'''Market control:''' Since Tesla Energy does not provide official numbers, it is difficult to determine the Powerwall's popularity in the home energy storage market.
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| ==Incidents==
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| This is a list of all consumer-protection incidents related to this product line. Any incidents not mentioned here can be found in the [[:Category:{{PAGENAME}}|{{PAGENAME}} category]].
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| ===Powerwall 2 recall and lawsuit (''2025 ongoing'')===
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| {{Main|Tesla remotely discharges and disables recalled Powerwall 2 units}}
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| On 16 September 2025, the Australia Competition and Consumer Commission published a notice that Tesla was recalling affected Powerwall 2 units due to "certain lithium-ion battery cells from a third-party supplier in a subset of Powerwall 2 systems that may fail and overheat".<ref>{{Cite web |author= |title=Powerwall 2 | ACCC Product Safety |url=https://www.productsafety.gov.au/search-consumer-product-recalls/powerwall-2 |website=ACCC |date=16 Sep 2025 |access-date=21 Dec 2025 |url-status=live}}</ref><ref>{{Cite web |last=Lambert |first=Fred |title=Tesla recalls Powerwall 2 over battery fire risk |url=https://electrek.co/2025/09/16/tesla-recalls-powerwall-2-over-battery-fire-risk/ |website=electrek |date=16 Sep 2025 |access-date=21 Dec 2025 |url-status=live |archive-url=https://web.archive.org/web/20251222005829/https://electrek.co/2025/09/16/tesla-recalls-powerwall-2-over-battery-fire-risk/ |archive-date=22 Dec 2025}}</ref>
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| A recall was issued nearly two months later, on 13 November 2025, by the United States Consumer Product Safety Commission due to the same concerns.<ref>{{Cite web |author= |title=Tesla Recalls Powerwall 2 AC Battery Power Systems Due to Fire and Burn Hazards; Risk of Serious Injury or Death |url=https://www.cpsc.gov/Recalls/2026/Tesla-Recalls-Powerwall-2-AC-Battery-Power-Systems-Due-to-Fire-and-Burn-Hazards-Risk-of-Serious-Injury-or-Death |website=CPSC |date=13 Nov 2025 |access-date=21 Dec 2025 |url-status=live}}</ref>
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| In both cases, Tesla had also pushed a remote update to affected Powerwall 2 owners that limited or drained the batteries and disabled its ability to recharge.<ref>{{Cite web |author= |title=Tesla Powerwall 2 Replacement Program |url=https://www.tesla.com/support/energy/powerwall/own/powerwall-2-replacement |website=[[Tesla]] |date= |access-date=23 Dec 2025 |url-status=live |archive-url=https://archive.is/dBLDf |archive-date=14 Nov 2025}}</ref>
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| A class-action lawsuit was filed 26 November 2025 in Florida by Arthur Brown, an owner of a Tesla Powerwall 2 unit.<ref>{{Cite web |last1=Brown |first1=Andrew |last2=A. Cifuentes, Jr. |first2=Antonio |title=''Brown v. Tesla, Inc.'', Case 3:25-cv-01462 |url=https://www.courtlistener.com/docket/71965723/1/brown-v-tesla-inc/ |website=Court Listener |date=26 Nov 2025 |access-date=22 Jan 2026 |url-status=live |archive-url= |archive-date= |pages=1, 42 |format=PDF}}</ref>
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| ==Products==
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| *Tesla Powerwall 1
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| **Powerwall+
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| *Tesla Powerwall 2
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| *Tesla Powerwall 3
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| ==References==
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| {{Reflist}}
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| [[Category:Tesla]]
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