How Do You Change Battery in RTC? (Full Method)

Published on: November 8, 2022
Written by Jonas Frank / Fact-checked by Nova Scarlett

If your computer is running slowly, one possible reason is that the battery in your RTC (real-time clock) needs to be changed. The RTC keeps track of time even when the computer is turned off, so it’s important to keep the battery fresh.

how do you change battery in rtc

If your computer is running on battery power and you need to change the battery in RTC, here’s what to do:

1. Shut down your computer.

2. Unplug the AC adapter from the computer.

3. Remove the battery cover by sliding it off or removing the screws that hold it in place.

4. Locate the coin-shaped CR2032 lithium button cell battery on the motherboard. The positive side of the battery faces up and has a + sign printed on it.

  • Figure1 Old battery retaining clip
  • Figure 2 Noold battery retaining clip

5. To remove the old battery, gently pry up one end of the retaining clip with a small screwdriver or a fingernail, and then slide out the old battery (see Figure 1). Or, if there is no retaining clip, grasp the edges of the old battery and pull it out(seefigure2).

  • Figure 3: New CR2032 lithium button cell battery installed correctly.
  • Figure 4: New CR2032 lithium button cell inserted under retaining clip.

6. Insert the new CR2032 lithium button cell battery into the RTC socket on the motherboard with the positive side now facing up and the same side of the battery that hadthe+signfacingthesame directions before(see figure 3).

7. If there is a retaining clip, use the small screwdriver or pry up the end of the tab to insert a new battery under it(seefigure4). Press the new battery down into place against the motherboard so that it makes good contact with all pads or wires attached to the socket. (Ifthereareany wires attached to the side of the new battery opposite the one withthe+signonittheywillnotbe used).

RTC Battery Replacement

If your computer is having issues keeping time, it may be due to a dead CMOS battery. The CMOS (Complementary Metal-Oxide Semiconductor) battery provides power to the Real Time Clock (RTC) chip, which stores information like the system’s time and date. When this battery dies, the RTC chip can no longer function and will need to be replaced.

In most cases, replacing the CMOS battery is a pretty simple task that can be completed in just a few minutes. However, it’s important to note that this type of battery is often located on the motherboard, so you’ll need to open up your computer case to access it. If you’re not comfortable doing this yourself, you can always take it to a professional for help.

Once you have access to the CMOS battery, simply remove the old one and replace it with a new one. Be sure to use the same type of battery as what was originally installed in your system – most motherboards use CR2032 batteries. Once you’ve replaced the battery, reassemble your computer and boot it up – everything should now be working properly!

How Much Does It Cost to Replace a Battery?

How much does it cost to replace a battery? This is a question that many people have, as batteries are an important part of our lives. They power our phones, laptops, and even some cars.

While the cost of a new battery can vary depending on the type of device you need it for, the average price is around $50. Here’s a breakdown of what you can expect to pay for a replacement battery, based on the type of device:

Smartphone$25-$100
Laptop$50-$200
Electric car$1000-$3000

As you can see, the cost of replacing a battery can range quite a bit.

It all depends on the type of device you need it for. If you have an electric car, for example, you can expect to pay quite a bit more than if you just need a new battery for your laptop. However, no matter what type of device you need a replacement battery for, be sure to shop around and compare prices before making your purchase.

Battery Replacement Near Me

When it comes time to replace the battery in your car, you might be wondering where the best place to go is. After all, you don’t want to end up with a dud battery that doesn’t last very long. You also don’t want to pay for an arm and a leg for a replacement.

Luckily, there are plenty of places that will give you a great price on a quality battery. Here are some of the best places to get your battery replaced:

1. Your Local Mechanic


One of the best places to get your battery replaced is at your local mechanic. They should be able to tell you what type of battery you need and they can usually install it for you as well. This is often one of the more expensive options, but it’s worth it if you trust your mechanic and they do good work.

2. The Dealership

If you have a dealership nearby, they might be able to replace your battery as well. This is usually not as cheap as going to a mechanic, but it’s still an option worth considering.

Make sure you know what type of battery your car needs before going in so they don’t try to sell you something else entirely!

Watch Battery Replacement

Assuming you’re talking about a watch with a standard, replaceable battery: Most people don’t think about their watch batteries until they die. It’s just one of those things that keep going until they suddenly don’t anymore.

When your watch battery does finally die, it’s not the end of the world. You can easily replace it yourself in just a few minutes with nothing more than a simple screwdriver. Here’s how:

First, start by unscrewing the back of your watch (lefty-loosey!). Once the back is off, you should see the battery nestled snugly inside. Gently pop it out and take note of its orientation so you can put the new one in correctly.

Now, head to your local drugstore or department store to pick up a replacement battery (make sure you know what kind you need before you go!). Once you have your new battery, simply place it in the empty slot making sure to orient it correctly, and then screw the back on tightly. That’s all there is to it!

How to Remove Car Battery?

Assuming you would like a blog post discussing how to remove a car battery: Most people don’t realize how easy it is to remove a car battery. In fact, with the right tools, it takes less than fifteen minutes!

Here’s what you’ll need:

1. A socket wrench or nut driver (depending on the type of battery terminals your car has).

2. A Phillips head screwdriver.

3. An old rag or towel.

First, open your hood and locate the negative terminal of your battery. It will usually be labeled with a “-” sign and will be connected to a black cable.

Use your socket wrench or nut driver to loosen the bolt that secures the cable to the terminal. Once it’s loose, pull the cable off of the terminal – but be careful not to let it touch anything metal while it’s disconnected! Next, do the same thing with the positive terminal (labeled with a “+” sign), being extra careful not to let the two cables touch each other while they’re both disconnected.

If they do touch, you could cause an electrical short that could damage your car. Now that both terminals are disconnected, gently lift out the battery and set it aside in a safe place. If there’s any corrosion on either of the terminals (a white or blue powdery substance), use your Phillips head screwdriver to scrape it off before reconnecting your new battery.

Once everything is clean and dry, reverse these steps to install your new battery – connecting the positive terminal first, followed by the negative terminal. Make sure both bolts are tightened securely before closing up your hood and starting up your car!

How Do I Remove the Battery from RTC?

If you need to remove the battery from your RTC, there are a few things you need to take into consideration. First, it is important to know what type of battery your RTC uses. There are two common types of batteries used in RTCs: lithium and coin-cell batteries.

Each type of battery has its own process for removal. Lithium batteries are typically found in larger RTCs. To remove a lithium battery, first, locate the positive and negative terminals on the battery.

Next, use a small screwdriver or other tools to gently pry the terminals of the battery. Be careful not to damage the terminals as you do this. Finally, lift the battery out of its housing and dispose of it properly.

Coin-cell batteries are much smaller than lithium batteries and are often found in wristwatches and other small electronics. To remove a coin-cell battery, start by unscrewing any screws that are holding it in place. Once all screws have been removed, gently pry the coin-cell battery out of its housing using a small screwdriver or another tool.

Be careful not to damage the housing as you do this.

How Do You Put a Battery in an RTC?

Assuming you are referring to a Real Time Clock (RTC) module, the process is as follows: First, identify the positive and negative terminals of the battery. The positive terminal will typically be labeled with a plus sign (+), while the negative terminal will be labeled with a minus sign (-).

Once you have identified the correct terminals, insert the battery into the RTC module so that the positive and negative terminals are touching their respective pads on the circuit board. It is important to note that some RTC modules use a CR2032 button cell battery, while others may use a AA or AAA size battery. Be sure to check your RTC module’s specifications before proceeding.

Where is the RTC Battery Located?

The RTC battery is located in the I/O area on the motherboard. It is a small, coin-sized battery that provides power to the real-time clock (RTC) chip on the motherboard. This chip keeps track of time even when the computer is turned off, so it’s important to have a working RTC battery in your computer.

If your computer loses time or doesn’t keep track of time properly, it’s likely because the RTC battery needs to be replaced. You have to know that the RTC/CMOS battery is not the same as the main laptop battery or power adapter.

What is RTC Battery?

An RTC battery is a type of backup battery that is typically used in computers and other electronics to keep the date and time accurate when the main power source is turned off. Many RTC batteries are lithium-ion batteries, which offer a long shelf life and high energy density. If your phone has a removable battery, you can charge it by removing the battery and placing it in a charger designed for your phone’s make and model.

Final Words

If your computer is running slowly, one of the first things you can do to try and speed it up is to change the battery in your RTC. Your RTC, or Real Time Clock, keeps track of time even when your computer is turned off. Over time, the battery in your RTC can run low and start to cause problems.

In this blog post, we’ll show you how to change the battery in your RTC so you can keep your computer running smoothly.

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