# TLDR Review: Duracell DL2450B Lithium Battery (Pack of 2)

*Published: 2025-07-08 | Updated: 2025-07-18 | Source: https://shopsavvy.com/reviews-tldr/duracell-dl2450b-lithium-battery-(pack-of-2)*

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## Product: Duracell DL2450B Lithium Battery (Pack of 2)

## Pros
- Excellent quality product that met expectations and is perfect for intended use.
- Good value for money, especially when comparing performance and lifespan against off-brand alternatives.
- Reliable performance noticed during use, effective for various applications, such as welding hoods and garage door sensors.
- The second battery worked properly and exceeded expectations after testing.

## Cons
- The packaging is misleading, claiming to include two batteries when there is only one.
- One of the two batteries was dead upon opening.
- Confusion between DL and CR 2450 models may lead to purchasing the wrong type.
- Batteries do not fit in certain devices, like a micrometer, due to size issues.
- Initial confusion when replacing the key fob battery due to model differences.

## Bottom Line

The Duracell Lithium Battery Security 3 Volt DL2450B offers reliable quality and value for money, fitting a variety of uses from key fobs to garage door sensors. However, be cautious of potential packaging discrepancies and model confusion between DL and CR versions to ensure compatibility.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Excellent quality product that met expectations and is perfect for intended use. | The packaging is misleading, claiming to include two batteries when there is only one. |
| Good value for money, especially when comparing performance and lifespan against off-brand alternatives. | One of the two batteries was dead upon opening. |
| Reliable performance noticed during use, effective for various applications, such as welding hoods and garage door sensors. | Confusion between DL and CR 2450 models may lead to purchasing the wrong type. |
| The second battery worked properly and exceeded expectations after testing. | Batteries do not fit in certain devices, like a micrometer, due to size issues. |
|  | Initial confusion when replacing the key fob battery due to model differences. |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*