Ever had a camera die at the worst possible moment? Maybe you were at a birthday party or on a once-in-a-lifetime trip. That frustrating experience is often caused by a dead CR2 battery! These little batteries power many of our favorite gadgets, from cameras to flashlights and even some medical devices.
Choosing the right CR2 battery can be tricky. There are different brands, prices, and chemistries to consider. Understanding these factors helps you avoid buying a battery that dies too quickly or doesn’t fit your device. This can save you money and prevent those annoying moments when your device won’t work. Also, understanding battery safety is important for avoiding accidents.
In this post, we’ll break down everything you need to know about CR2 batteries. You’ll learn about the different types, how to choose the best one for your needs, and how to keep them safely. Get ready to become a CR2 battery expert! Let’s dive in and learn how to pick the best CR2 battery.
Our Top 5 Cr2 Battery Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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Energizer CR2 Batteries | 8.6/10 | Check Price |
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Amazon Basics CR2 Lithium Batteries | 8.7/10 | Check Price |
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5070 Battery 9 V Performance All-Purpose Batteries | 9.2/10 | Check Price |
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Duracell CR2 3V Lithium Battery | 8.8/10 | Check Price |
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POWEROWL CR2 3V Lithium Battery | 8.9/10 | Check Price |
Top 5 Cr2 Battery Detailed Reviews
1. Energizer CR2 Batteries
Rating: 9.0/10
The Energizer CR2 Lithium Photo Batteries, 2 Count, are designed to keep your devices running. These CR2 batteries are perfect for cameras and other high-tech gadgets. They promise long-lasting power and reliability. You can trust them to work when you need them most. These batteries are made by Energizer, a trusted name in batteries.
What We Like:
- These batteries are built for cameras. They provide power for taking pictures.
- They work with many devices. This includes digital cameras, calculators, and tablets.
- You can store these batteries for a long time. They hold power for up to 10 years.
- They are lithium batteries. This means they are powerful and work well in different temperatures.
- They are designed to handle the power needs of modern devices.
What Could Be Improved:
- The price of lithium batteries is usually higher than other types of batteries.
In conclusion, the Energizer CR2 batteries are a reliable choice for your devices. They are a great option for anyone needing long-lasting power in a range of devices.
2. Amazon Basics CR2 Lithium Batteries
Rating: 8.5/10
Need reliable power for your gadgets? The Amazon Basics CR2 Lithium Batteries are a solid choice. This pack gives you four 3-volt batteries. They have a long-lasting power supply and a low self-discharge rate. These batteries work well in many devices like digital cameras and flashlights. Remember, these are NOT the same as CR123A batteries. They are NOT rechargeable.
What We Like:
- These batteries have a long life. They can power your devices for a long time.
- They work well in both hot and cold weather.
- The batteries come in frustration-free packaging.
- You get a good value with this 4-pack.
- They are great for many devices like cameras.
What Could Be Improved:
- These batteries are not rechargeable. You have to buy new ones when they die.
- Make sure you know these are CR2 batteries. They are different from other battery types.
Overall, the Amazon Basics CR2 batteries are a good option. They are a reliable power source for many of your devices. If you need a quick and easy power solution, these batteries are a great pick.
3. 5070 Battery 9 V Performance All-Purpose Batteries
Rating: 9.5/10
Need a reliable power source for your important devices? The 5070 Battery 9 V Performance All-Purpose Batteries are designed to deliver. These 9V batteries are made for many different gadgets. They are perfect for when you need consistent and dependable power. These are great for emergency equipment and other devices that need a strong and lasting battery.
What We Like:
- Built with Grade A cells. This means they give you reliable power.
- They have a long shelf life. They are made in 2025 and will last for 5 years.
- These batteries are non-rechargeable, but they have a 4.2Ah capacity.
- You can use these batteries up to 200 times. They are made to last.
What Could Be Improved:
- These batteries are not rechargeable. You can only use them once.
The 5070 Battery 9 V Performance All-Purpose Batteries are a solid choice for anyone needing reliable power. They provide a long-lasting and dependable energy source for your essential devices.
4. Duracell CR2 3V Lithium Battery
Rating: 8.7/10
Need a reliable battery for your camera or other devices? The Duracell CR2 3V Lithium Battery is a great choice! This single-count pack provides long-lasting power. It’s made for high-powered devices. These batteries are perfect for cameras, lighting equipment, and more. Duracell is a brand you can trust. This battery is ready when you need it.
What We Like:
- POWER FOR A WIDE RANGE OF DEVICES. The Duracell CR2 battery works in many devices.
- LONG-LASTING POWER. These batteries are made to last a long time in your devices.
- GUARANTEED FOR 10 YEARS IN STORAGE. You can store these batteries for a decade! They will still work.
- BUILT FOR RELIABLE PERFORMANCE. The CR2 battery is made to perform well. It works in many devices.
- #1 TRUSTED BATTERY BRAND. Duracell is a brand that many people trust. They are a good choice.
What Could Be Improved:
- Single-pack. Could include multiple batteries for a better value.
- Price. These can be expensive.
Duracell CR2 batteries are a solid choice for your devices. They are reliable and last a long time. If you need a CR2 battery, this is a great option.
5. POWEROWL CR2 3V Lithium Battery
Rating: 9.4/10
The POWEROWL CR2 3V Lithium Battery, 6 Pack is a set of batteries. These batteries are made to power many different devices. They are designed to last a long time. This pack comes with six batteries, so you have backups. These batteries are a good choice for your devices.
What We Like:
- Long-lasting power for your devices. These batteries have a high capacity.
- They can last up to 10 years on a shelf. This means you can store them for a long time.
- The batteries give a steady power output. This helps your devices work better.
- They work in many devices. You can use them in things like cameras and flashlights.
What Could Be Improved:
- These batteries are for one-time use. You can’t recharge them.
- You should not mix different battery brands. This is important for safety.
In conclusion, the POWEROWL CR2 batteries are a good option for your devices. They are reliable and provide long-lasting power for many different uses.
The Ultimate Buying Guide: Cr2 Batteries
This guide helps you pick the best CR2 battery for your needs. These small batteries pack a big punch! They power many important devices. Let’s dive in!
Key Features to Look For
When shopping for CR2 batteries, think about these things:
- Voltage: CR2 batteries usually have 3 volts. This is important. Make sure your device needs 3 volts.
- Capacity (mAh): This tells you how long the battery lasts. It’s measured in milliamp-hours (mAh). A higher mAh means the battery will last longer.
- Shelf Life: Look for batteries with a long shelf life. This means they will last for a long time before you use them.
- Brand Reputation: Buy from well-known brands. They usually make better quality batteries.
- Packaging: Check the packaging. Make sure it’s sealed and protects the batteries.
- Number of Batteries: Decide how many batteries you need. You can buy them individually or in packs.
Important Materials
CR2 batteries use different materials. These materials impact performance:
- Lithium Manganese Dioxide (Li-MnO2): This is the most common type. These batteries offer a high energy density. They also provide a long shelf life.
- Materials Quality: The quality of the materials matters. Good materials make the battery more reliable. It will also last longer.
Factors That Improve or Reduce Quality
Several factors affect the quality of CR2 batteries:
- Brand: Reputable brands often have stricter quality control.
- Manufacturing Process: The way the batteries are made matters. Good manufacturing leads to better performance.
- Freshness: Check the expiration date. Older batteries may not work as well.
- Storage: How the batteries are stored affects their quality. Batteries stored in extreme temperatures may not perform well.
User Experience and Use Cases
CR2 batteries are used in many devices. Here’s what you need to know:
- Common Uses: They power cameras, flashlights, and medical devices. They are also used in some security systems.
- Ease of Use: CR2 batteries are easy to install. Just put them in the device the right way.
- Battery Life: Battery life varies. It depends on the device and how often you use it.
- Safety: Always follow safety instructions. Don’t mix old and new batteries. Dispose of used batteries properly.
CR2 Battery FAQ
Here are some common questions and answers about CR2 batteries:
Q: What is a CR2 battery?
A: A CR2 battery is a small, cylindrical battery. It’s a lithium battery. It’s used in many small electronic devices.
Q: What devices use CR2 batteries?
A: CR2 batteries are commonly used in cameras, flashlights, and security systems. Some medical devices also use them.
Q: How long does a CR2 battery last?
A: Battery life depends on the device and how often you use it. It also depends on the battery’s mAh rating.
Q: Are CR2 batteries rechargeable?
A: No, CR2 batteries are not usually rechargeable. You need to buy new ones when they die.
Q: Can I use a different battery instead of a CR2?
A: No, you need to use the correct battery type. Check your device’s manual. This will tell you the right battery.
Q: How do I dispose of CR2 batteries?
A: Recycle your batteries. Check your local regulations for proper disposal.
Q: What does “mAh” mean?
A: mAh stands for milliamp-hours. It measures the battery’s capacity. A higher mAh means the battery lasts longer.
Q: How can I store CR2 batteries?
A: Store batteries in a cool, dry place. Keep them away from extreme temperatures.
Q: How do I know if a CR2 battery is bad?
A: If your device doesn’t turn on, the battery may be dead. You could also use a battery tester.
Q: What should I do if a CR2 battery leaks?
A: If a battery leaks, handle it carefully. Avoid touching the leaked chemicals. Clean up the leak with a damp cloth. Dispose of the battery properly.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Hi, I’m Hector Quintanilla, the creator of helmetslab.com.. As a passionate enthusiast and experienced expert in helmets, I’ve dedicated this platform to sharing my insights, knowledge, and hands-on experiences. Whether you’re seeking the best helmet for safety, comfort, or performance, my goal is to guide you with detailed reviews, tips, and advice. Ride safe, and let’s explore the world of helmets together!




