How Long Do Cordless Phones Last?

Cordless phones can last for years when considering their lifetime performance. But their batteries can go bad in a few years and need to be replaced. This typically takes 2-3 years but can vary from phone to phone. 

This post will explore how long cordless phones last. I’ll give you some general information on how long you can expect these phones to work and what to consider to help get the most out of them. 

Let’s get to it. 

Key Takeaways

  • A cordless phone should last for years without worry, and you can expect an average lifespan of 3 to 5 years or more. 
  • The batteries in a cordless phone will die and need to be replaced long before the phone stops working. 
  • There isn’t a certain lifespan for cordless phones because different makes and models can last for longer times. 

How Long do Cordless Phones Last? 

If you still have a cordless phone in your house, it should keep working for a while. No standard usable lifetime applies to all cordless phones, but most of them will easily last at least 3 to 5 years. 

Of course, there are always exceptions to this rule, and faulty products or other malfunctions can cause a phone to stop working at any point. But cordless phones are designed for long-term use and can be relied on for years. 

Before your cordless phone actually dies, the batteries in it will die first. This is the most common cause of a cordless phone not working. The batteries in your phone might only last a year or two. 

When the batteries die, you’ll need to replace them if you want to keep using the phone. It’s easy to get replacement batteries. But even rechargeable batteries will eventually wear out, and you’ll need to get new ones. 

There really isn’t any way to predict how long your phone or its batteries will last. This can be different for each phone, even if it’s the same model. The phone should last longer than the batteries, but that’s not always the case. 

How to Tell if Cordless Phone Battery is Bad

If your cordless phone is dying very fast when it’s out of the charger, that can be a key indicator that the batteries are bad. Bad batteries won’t hold a charge for long, so if you are experiencing bad performance, that’s likely the culprit. 

The phone won’t turn on or charge up if the batteries are completely dead. If this happens, you can try replacing the batteries. But there also might be a chance that your phone is dead if you replace the batteries and it’s still not working. 

If you experience any of these issues and the phone’s battery is a few years old, the batteries are likely bad and should be replaced. 

How Long Does it Take to Charge a New Cordless Phone?

Charging a new cordless phone can take quite a while compared to what you might be used to with a smartphone or other cell phone. You can expect a new cordless to take anywhere from 12 to 16 hours to fully charge when you purchase it. 

The total charging time can vary slightly from phone to phone, so there isn’t an exact way to tell how long the phone will take to charge up. But you can expect it to be at least overnight before it’s completely charged.  

Cordless Phone Battery Replacement 

Replacing the batteries in a cordless phone is pretty straightforward. You can match the replacement batteries with the existing ones, and you should be ready to go. 

If you aren’t sure which batteries to use for a replacement, check the manufacturer’s specifications or an electronics store. Finding a replacement isn’t that complicated, and these batteries are still readily available. 

You should also look for rechargeable batteries rather than standard batteries. Some cordless phones might be able to work with standard batteries, but you’ll need to keep replacing them often because you can’t charge them up. 


Here are a few quick answers to some of the most commonly asked questions related to how long cordless phones last. 

Should I leave my cordless phone on the charger all the time? 

It is ok to leave your cordless phone on the charger all the time. While you don’t need to do this for optimal performance, you also won’t harm the phone’s batteries by leaving them in the charger. You can do whatever is most convenient. 

Why do cordless phones stop working? 

Cordless phones can stop working for many reasons, but a dead battery is the most common. Batteries will wear out and need to be replaced. Other issues might not be fixable, and you’ll need to get a new phone. 

What do you do with old cordless phones? 

If you have an old cordless phone that is no longer working, it’s best to take it to a location that recycles electronics. You don’t want to throw them away in the regular trash because the batteries are not good for the environment. 

Can you overcharge a cordless phone? 

Depending on what type of battery your phone has and how old it is can influence whether a cordless phone should be charged overnight. You can charge them overnight without many issues aside from potentially limiting long-term battery health. 

Final Thoughts

A typical cordless phone should easily last a few years and can potentially be good for five or more. But each phone’s lifespan is different, and there is no way to tell exactly how long your phone will last. 

Replacing the batteries will keep your cordless phone around longer, so be sure to do this whenever needed. 

Do you have a cordless phone? How long have you had it? Let me know in the comments below.

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