How Many Years Do Tesla Powerwall’s Last? | Solar Panels, Battery Storage, Roofing, HVAC

Studies at the beginning of 2023 showed that 8% of Americans have adopted solar panels, with that number increasing every day. One of the best ways to get the most out of your panels is with a solar battery backup. But what is the Tesla Powerwall lifespan, and how much use can you get from the battery?

If you’re curious about the Tesla storage battery, we’re here to help. Read on to learn more about this popular choice and how many years it will last.

Tesla Powerwall Lifespan

To begin, let’s look at some of the factors that will affect your battery’s lifespan.

Generally speaking, your Tesla storage battery should last about 8-10 years. However, the true range varies much greater. Here are the primary factors in your Tesla Powerwall’s lifespan.

Type and Size

One of the first things to look at is the type and size of Tesla Powerwall you have.

As a rule of thumb, smaller-capacity batteries won’t last as long. This is primarily because a smaller battery is expended and recharged significantly more often than a larger one. The process of your Tesla charging and discharging will add wear and tear, thus reducing its lifespan.


Another factor in your Tesla Powerwall lifespan measurement is the battery’s location.

High temperatures and humidity will make your battery die out sooner. A battery in the Floridian heat won’t last as long as one in a cooler climate, such as Washington.

Heavy Use

Finally, the amount of power you’re drawing from your Powerwall will affect its cycle. Your Tesla discharging deeply will cause strain for some of the cells within the battery. 

You can reduce this by avoiding deep discharges. A deep discharge is a use case where you use half or more of the battery’s capacity.

When to Replace

Now that we know more about how long your battery will last, how do you know when to replace the battery?

Knowing when to replace your solar battery backup is refreshingly simple. All you need to do is look out for some telltale signs.

For example, if your battery is struggling to hold a charge, it’s likely failing. You may also experience frequent power outages, which shows that your battery isn’t providing enough power.

Another easy way to tell is if there’s physical damage to your Tesla storage battery. Corrosion on the outer case means that it’s approaching the end of its lifespan or is malfunctioning.

Pay attention to your battery and power usage. If you see issues with the battery, don’t hesitate to replace it. 

Handling Your Solar Battery Backup

Your Tesla Powerwall lifespan varies depending on your usage, location, and the size of your solar battery. If you’re finding issues with your Tesla charging and discharging, it may be struggling to hold a charge. Keep an eye out for physical damage and have professionals examine the battery to see if it needs replacing.

Contact Semper Solaris today to learn more about installing your solar battery backup!

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