How To Change Dvr Battery?

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Last Updated on September 22, 2022 by Ellis Gibson (B.Sc. in Mechanical Engineering)

If you’re like me, you’re always looking for ways to save money. So when your DVR battery starts to die, you may be tempted to just buy a new one. But did you know that you can actually save money by changing the battery yourself? In this article, I’ll show you how to change a DVR battery, and you’ll be able to save yourself some money in the process.

So, how to change dvr battery?

To change the DVR battery, first locate the battery compartment on the back or bottom of the DVR. Once you have found the battery compartment, remove the old battery and insert the new one. Make sure the new battery is properly seated and secured before replacing the battery cover.

Let’s dig into it and see what we can learn.

Step By Step Process Of How To Change Dvr Battery?

Here I will explain you step by step process of how to change dvr battery? let’s see how to change dvr battery.


  1. Batteries (AA or AAA, depending on your DVR model)
  2. A Phillips head screwdriver (if your DVR has a screw-secured battery compartment)

OPTIONAL TOOLS: 1. A small flashlight


First, identify the type of battery your DVR uses. Most DVRs use AA or AAA batteries, but some may use a different size.


Next, locate the battery compartment on your DVR. This is usually on the back or bottom of the device.


Open the battery compartment and remove the old batteries. Be careful not to touch the exposed metal on the batteries, as this can cause a short circuit.


Insert the new batteries, making sure to match the correct polarity (positive to positive, negative to negative).


Close the battery compartment and you’re done!

If you wanted to watch a youtube video that shows you how to change dvr battery? I have included a video below:

Does A Dvr Have A Battery?

If you’re like most people, you probably don’t think about the battery in your DVR very often. After all, it’s not like your phone or laptop, which you have to regularly charge. But believe it or not, your DVR does have a battery, and it’s important to know a few things about it.

First, let’s take a look at where the battery is located. It’s actually inside the DVR case, right up against the BNC connectors. As you can see in the image below, it’s a round battery that’s more than twice the size of a standard watch battery.

So why does a DVR need a battery? Well, it’s used as a backup power source in case of a power outage. Without it, your DVR would lose all of its settings and recordings.

Now that you know where the battery is and what it’s for, you’re probably wondering how often you need to replace it. The answer to that depends on a few factors, such as the brand of DVR you have and how often you use it. But in general, you can expect to replace the battery every two to three years.

If you’re not sure when the last time you replaced your DVR’s battery was, it’s a good idea to go ahead and do it now. That way, you can be sure that your DVR will keep working even if the power goes out.

Along with, The battery in a DVR is called a ‘DVR Battery’. It is a round battery that is about more than twice the size of a standard watch battery. The battery is located inside of the DVR case, right up against the BNC connectors.

Which Battery Is Used In Dvr?

There are a few different types of batteries that can be used in a DVR, but the most common is the lithium ion battery. This type of battery is typically used in portable electronics because it has a high energy density and can be recharged many times.

Does Hikvision Dvr Have A Battery?

Hikvision DVRs are equipped with a battery that helps keep the time running even when the power is unplugged. This battery is a non-rechargeable lithium battery (CR1220) that will eventually need to be replaced after a period of time.

An additional, The DVR has a battery that helps it keep time even when the power is turned off. This battery is called a CR1220 and it is not rechargeable. Over time, the battery will run out of charge and will need to be replaced.

What Is The Purpose Of Cmos Battery In Dvr?

The purpose of the CMOS battery in a DVR is to provide power to the BIOS so that it can remain operational when the computer is unplugged from a power source. The BIOS is a critical component of the computer that helps to start up the system and manage the hardware. Without the CMOS battery, the BIOS would not be able to function properly and the computer would not be able to start up.

Besides this, The CMOS battery in a laptop powers the BIOS firmware. The BIOS is a set of instructions that helps the computer start up. The BIOS needs to be operational even when the computer is not plugged into a power source.

Does A Cctv Dvr Battery Need To Be Replaced Often?

No, a CCTV DVR battery does not need to be replaced often. However, if the battery is not working properly, it may need to be replaced.

What Does The Dvr Cmos Battery Do?

The DVR CMOS battery provides power to the DVR’s clock so that it can keep time even when the power is turned off. Without this battery, the DVR would have to be reset every time the power was turned off.

What Is The Dvr Cmos Battery Size?

The DVR CMOS battery size is CR2032. This battery is used to power the DVR’s clock and keep the time accurate. If the battery dies, the DVR will reset the clock and may lose recorded footage.

How Much Does A Replacement Dvr Battery Cost?

The cost of a replacement DVR battery will depend on the make and model of your DVR. However, you can expect to pay around $30 for a replacement battery.

How Often Should You Change The Dvr Battery?

You should change the DVR battery every three to five years. However, if you live in an area with frequent power outages, you may need to change it more often.

How Can You Prolong The Life Of A Dvr Battery?

You can prolong the life of a DVR battery by following these steps:

-Avoid extreme temperatures: Batteries work best when they are kept at moderate temperatures, so try to avoid exposing your DVR to extreme heat or cold.

-Use the battery regularly: Batteries last longest when they are used regularly, so try to use your DVR regularly, even if it’s just for a short period of time.

-Store the battery properly: When you’re not using your DVR, make sure to store the battery in a cool, dry place.

What Are Some Signs That A Dvr Battery Is Dying?

There are several signs that a DVR battery is dying. One is that the DVR will randomly shut off. Another is that the picture on the screen will freeze or become distorted. Another sign is that the DVR will take longer to start up. Finally, the DVR may make beeping noises or display error messages.

Is There Anything You Can Do To Revive A Dead Dvr Battery?

Unfortunately, once a DVR battery is dead, there is no reviving it. You will need to replace the battery with a new one.

How Much Does It Cost To Replace A Dvr Battery?

The cost of replacing a DVR battery can vary depending on the brand and model of the DVR. However, on average, it should cost around $30 to $50 to replace the battery.

Final Word

That’s all there is to it! In just a few easy steps, you can change your DVR’s battery and keep it running smoothly. Be sure to check your battery regularly and replace it as needed to keep your DVR in top condition. Thanks for reading and happy recording!


Can I Use A Cp Plus Dvr Battery With A Solar Panel?

Yes, you can use a CP Plus DVR battery with a solar panel. The DVR battery will provide power to the solar panel, allowing it to generate electricity. The solar panel will then use that electricity to charge the battery, keeping it topped off.

What Is The Model Number Of The Hikvision Dvr Cmos Battery?

The Hikvision DVR CMOS battery model number is DS-2CD2T42WD-I5. This battery is used to power the camera and allow it to record footage.

What Is The Hikvision Dvr Cmos Battery Size?

The hikvision dvr cmos battery size is CR2032. This size is commonly used in many electronic devices.

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