The CR2450 and CR2450N are both 3V lithium coin cell batteries used in small electronic devices like watches, remote controls, and medical equipment.
While they share many similarities, there are some subtle differences that can impact compatibility and performance. This guide explores the distinctions between these two battery types, helping you choose the right one for your needs.
CR2450 vs. CR2450N: Key Differences
The primary difference between the CR2450 and CR2450N lies in their design and terminal contact structure. The CR2450N features a slightly recessed negative terminal, which can affect how it connects in certain devices.
Table of Contents
Comparison Table
| Feature | CR2450 | CR2450N |
|---|---|---|
| Voltage | 3V | 3V |
| Capacity | ~600 mAh | ~600 mAh |
| Diameter | 24.5 mm | 24.5 mm |
| Thickness | 5.0 mm | 5.0 mm |
| Negative Terminal Design | Flat | Recessed |
| Applications | General electronics | Devices requiring recessed contacts |
| Interchangeability | Not always compatible with CR2450N | May not replace CR2450 in all devices |
| Price | Slightly lower | Slightly higher due to specialized design |
Pros and Cons
CR2450
Pros:
- Widely available and compatible with most devices.
- Lower cost compared to the CR2450N.
- Standard flat-terminal design suitable for most applications.
Cons:
- Not suitable for devices requiring recessed terminals.
- May not provide secure contact in devices designed for CR2450N.
CR2450N
Pros:
- Recessed terminal ensures secure contact in specialized devices.
- Compatible with equipment requiring recessed design.
- Same voltage and capacity as CR2450, offering similar performance.
Cons:
- Slightly higher price due to specialized design.
- Not always interchangeable with CR2450 in devices requiring flat terminals.
Which One Should You Choose?
- Check Device Requirements: Review your device’s manual or check the battery compartment to see if it specifies CR2450 or CR2450N.
- Consider Terminal Design: If your device requires a recessed terminal for a secure fit, opt for the CR2450N.
- Evaluate Compatibility: Some devices may work with both types, but always confirm compatibility to avoid connectivity issues.
Applications of Each Battery
- CR2450: Suitable for general electronics like remote controls, fitness trackers, and calculators.
- CR2450N: Commonly used in medical devices, car remotes, and equipment requiring recessed contacts.
Summary
While the CR2450 and CR2450N are similar in voltage, capacity, and dimensions, their differences in terminal design can significantly impact compatibility.
I recommend checking your device’s requirements before making a purchase to ensure optimal performance. Choosing the correct battery type will help avoid connectivity issues and extend the lifespan of your electronic devices.
