Health & Drugstore
Amazon Basics 2-Pack CR2450 Lithium Coin Cell Battery, 3 Volt, Long Lasting Power, Mercury-Free, Child-Safe Package (Use Scissors to Open)
Best for: replacing batteries in watches, key fobs, and medical monitors
ASIN: B0DQ29L3N4
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Brand: Amazon Basics
These are two-pack CR2450 lithium coin cell batteries providing reliable 3-volt power for small electronics. They function effectively in temperatures ranging from -4 to 140 degrees Fahrenheit and are mercury-free. The packaging requires scissors to open, ensuring a child-safe design.
Key features
- IMPORTANT NOTE: Use scissors to cut the packaging and access the batteries.
- IN THE BOX: 2-pack of CR2450 lithium manganese-dioxide coin cell batteries for reliable 3-volt power; mercury-free
- DEVICE COMPATIBILITY: Ideal for watches, key fobs, remotes, heart rate monitors, glucose monitors, and more
- RELIABLE: Performs well under varying temperatures from -4 to 140 deg F
- LONG LASTING: Store for later or use right away
- SINGLE USE: These batteries are NOT rechargeable; for rechargeable options, check out Amazon Basics rechargeable batteries
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Frequently Asked Questions
How do I safely open the packaging to access the batteries?
The product features a child-safe package that requires you to use scissors to cut the packaging in order to access the batteries. Do not attempt to tear or pry it open with your hands.
Are these batteries rechargeable for long-term use?
No, these are single-use lithium manganese-dioxide coin cell batteries and are not rechargeable. You would need to purchase separate rechargeable options if that is a requirement.
What types of devices are compatible with this CR2450 battery size?
These 3-volt batteries are ideal for use in watches, key fobs, remotes, heart rate monitors, and glucose monitors. They provide reliable power for various small electronic devices requiring this specific coin cell format.
What is the physical size of these batteries?
Each battery measures 0.96 inches in length and width, with a height of 0.2 inches. The total weight for the 2-pack is approximately 0.013 pounds.
Specifications
| Model | CR2450-2PK |
| Size | 2 |
| Pack size | 2 |
| Dimensions | 0.96 inches × 0.96 inches × 0.2 inches (0.013448197982 pounds) |
| UPC | 840324421262 |
| EAN | 0840324421262 |
| ASIN | B0DQ29L3N4 |
| Brand | Amazon Basics |
| Category | Health & Drugstore |
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Last reviewed
September 26, 2026
Product listing details, features, and specs.
Editorial approach
Curated listings of Amazon Basics products with LLM-assisted summaries. Every specification, feature, and price is sourced from Amazon's Creators API — we don't invent reviews or ratings.
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As an Amazon Associate, I earn from qualifying purchases.
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