How Long Do Tesla Powerwall Batteries Last?

Last Updated on July 11th, 2023

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How Tesla Powerwall Batteries last varies greatly depending on several factors. These factors include the usage and care of your battery and environmental factors. It is also not fully tested how long these new batteries Tesla has implemented might last.

The time they last are said to be anywhere from the average lithium-ion lifespan of seven years all the way to new Tesla estimates of 30 years. Keep reading to learn more about their lifespan and what you can do to get the most out of your batteries.

Water splash on a tesla logo - How Long Do Tesla Powerwall Batteries Last?

How Much Do Batteries Last on Average?

The average time the Tesla Powerwall Batteries last is about ten years. This is the average for both Tesla Powerwall Batteries, but also most standard lithium-ion batteries as well.

However, many people report that the estimated time Tesla’s Batteries might begin to last up to is an average of 20 years or more, but this has not been fully tested yet.

After the average number of years, the battery will begin to operate at a smaller capacity until it dies altogether. The number will shorten to about 70 percent capacity to start with, growing smaller and smaller as the battery dies.


What is the Longest it Can Last?

The longest the Tesla Powerwall battery is anticipated to last is about 30 years. However, this has not been tested as not much time has passed since these have been implemented.

Nevertheless, reports do suggest that these batteries might last longer than most lithium-ion batteries.

This will, of course, take proper care and conditions. Thirty years is the maximum amount of time the battery will last before it stops working completely. The battery will likely begin working at a reduced capacity far before it dies.


What Does the Duration of Batteries Depend on?

The duration of the batteries depends upon your usage and care. It will age faster if you do not care for the battery itself. The usage is also a huge factor in the duration of your battery life. To have optimum usage, there are a few things you can do.

First, try to avoid ever draining the battery fully. If you can, never use the full battery charge and empty it, as this will shorten the lifespan. The next thing you can do is try to give time for the battery to charge fully.

Rather than continually draining the battery and never letting it fill, try to give the battery time to fully charge in between uses. This will help maximize its life span.


How Can You Tell if You Need New Batteries?

You can tell if you need new Tesla Powerwall Batteries if your energy capacity begins to shrink. As mentioned, your Tesla Powerwall Batteries will begin to age naturally, affecting how much energy they can store.

You will likely begin to notice this reduction at around 70 percent capacity. However, due to the large capacity of these new batteries and depending on how many you have, it will take a while to begin noticing this change.

It will also take a while for your batteries to begin to die or to need new ones. Likely, if you see issues, it is due to some other error rather than the battery itself.


How Should You Maintain the Batteries?

To maintain the life of your Tesla Powerwall Batteries, you will need to take proper care of the system and not overwork it. To take care of your system, be sure to place it in an optimal spot.

Temperature or climate changes that are frequent and severe can drastically affect a battery’s lifespan. Avoid placing it in direct light or a place where the weather might harm it.

The next thing you can do is make sure you keep it clean. Check the vents frequently and check them clear of debris and other things.


Final Thoughts on How Long Do Tesla Powerwall Batteries Last

Battery life, in general, varies greatly. Moreover, with new technology that is not fully tested, the lifespan varies even further because no one truly knows what these new lithium-ion batteries might be capable of.

However, you can still do your best to optimize your batteries. Keep your batteries safe and clean as much as possible.

Use smart charging and draining tactics to maintain energy levels to the best of your abilities. This combination could dramatically extend the life of your batteries.

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