CR123A vs CR2 Lithium Batteries – Best Choice for Cameras and Security Devices

🔋 CR123A vs CR2 Lithium Batteries – Best Choice for Cameras and Security Devices

If you’re using a DSLR, security sensor, or flashlight, chances are you've come across CR123A and CR2 lithium batteries.

They look similar, are both 3V lithium-based, and often used in high-performance devices.
But choosing the wrong one can damage your equipment or lead to poor performance.

This guide breaks down the real-world differences, ideal use cases, and what Indian buyers should know before ordering.

 

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📏 Physical and Technical Specs

✅ Key takeaway:
CR123A is larger and has higher capacity.
Devices are not cross-compatible unless specified.

 

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📸 Use Case Comparison – Which Battery is Right for You?

 

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🔌 Are CR123A and CR2 Interchangeable?

⚠️ No.
Although both are 3V lithium batteries, they differ in:

• Size & fit – CR123A is longer and wider
  
  

• Capacity – CR123A has nearly double the energy
  
  

• Device design – Most devices only accept one specific type
  
  

Always check the battery compartment label or user manual.

 

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🧪 Performance in Indian Climate

Lithium batteries perform extremely well in both hot and cold conditions, making them ideal for:

• Outdoor security cameras in Maharashtra’s summers
  
  

• Mountain gear in Himachal’s winters
  
  

• Motion sensors in humid monsoons (Bangalore, Kerala)
  
  

They offer low self-discharge, so even if unused, they last 5–10 years.

 

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🛒 Trusted CR123A & CR2 Battery Brands in India

📦 Available online with 24–48 hour shipping via MyBattery.in

 

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🔋 CR123A vs CR2 – Pros & Cons

 

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🧾 Battery Tips for Indian Buyers (2025)

1. Check device manual – Never guess battery type
   
   

2. Avoid mixing old & new batteries in dual-cell devices
   
   

3. Use fresh stock from reliable sellers – Old lithium cells may degrade
   
   

4. Store in cool, dry place – Ideal temp: 15–25°C
   
   

5. Don’t recharge unless it’s a rechargeable variant (most CR123A/CR2 are NOT)
   
   

 

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❓ FAQ – CR123A vs CR2 Batteries

Q1. Can I replace CR2 with CR123A in my camera?
No — sizes are different and not interchangeable unless your device explicitly supports both.

Q2. Are rechargeable versions available?
Yes, but not for all devices. Use only if your camera/manual mentions Li-ion support like 16340 (CR123A equivalent).

Q3. Which one is better for motion sensors?
CR123A – They last longer, especially in outdoor or high-traffic areas.

Q4. Are these batteries safe to carry on flights?
Yes — lithium photo batteries under 2g lithium content are allowed in carry-on, not in checked baggage. Keep in original packaging.

 

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🏁 Final Verdict – Which One Should You Use?

🎯 CR123A is the more powerful and versatile option, but CR2 remains ideal for smaller devices.

🎯 👉 Order Genuine CR123A & CR2 Batteries Today at MyBattery.in
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