Batteries for small electronics that promise dependable 3V power and longer runtime. Parents and gadget owners gain extra safety and fewer surprise replacements with Duracell CR2032 Lithium Coin Batteries. Are these the best spare cells for trackers, key fobs and other accessories?
⚡ At a Glance
- • Shelf Life: Unused cells remain fresh for up to 10 years when kept in original packaging
- • Best for: Apple AirTag, key fobs, small home devices, fitness and medical accessories
- • Not ideal for: Devices that do not accept the CR2032 coin format or require rechargeable cells
CR2032 lithium coin cells recommended for small electronics, with child-safe measures and extended runtime claims. Bitter taste coating and secure double-blister packaging aim to reduce accidental ingestion while maintaining steady 3V output.
Longer Runtime – Thanks to an up to 70% extra life claim
Duracell cites up to 70% extra life versus the minimum average duration from the Electronic Key IEC standard test for CR2032 cells, while maintaining a consistent 3V output. Actual runtime will vary by device and usage patterns.
Fewer replacements for low-drain accessories such as trackers and key fobs, reducing interruptions and maintenance.
Reduced Ingestion Risk – With Baby Secure Technology
A non-toxic bitter taste ring containing Bitrex is applied to both faces of the cell to discourage swallowing, and the packaging uses a secure double-blister format that is difficult to open without scissors.
Adds a layer of protection in homes with toddlers, making spare batteries less accessible and less attractive to taste.
Dependable Spares – With a 10 year storage guarantee
Packaging and storage technologies preserve unused cell condition for up to ten years in the original pack, limiting self-discharge and preserving capacity over time.
Keep a drawer of spares or an emergency kit without worrying about rapid degradation, so replacements work when needed.
✨ The 4 Key Reasons for Duracell CR2032 Lithium Coin Batteries
- Baby Secure Technology - Discourages swallowing with a bitter coating on both sides
- Double Blister Packaging - Makes packs hard to open without scissors, improving child safety
- Up to 70% Extra Life - Extends replacement intervals for low-drain accessories such as trackers
- Consistent 3V Output - Powers small electronics reliably across typical usage patterns
📋 Technical Details at a Glance
- Category: Coin lithium battery
- Model: CR2032
- Voltage: 3V
- Chemistry: Lithium
- Pack size: 4 pack
❓ Frequently Asked Questions
Q: Are these batteries suitable for Apple AirTag?
A: Yes. The cells are recommended for use in Apple AirTag and similar small tracking accessories according to the product description.
Q: How does the child-safe feature work?
A: A non-toxic bitter taste ring with Bitrex is applied to both faces of the cell to discourage swallowing, and double-blister packaging makes the pack difficult to open without scissors.
Q: How long will unused batteries last in storage?
A: Technologies in the packaging keep unused batteries fresh for up to 10 years when stored in their original packaging.
🏆 Our Verdict
Owners of small battery-powered accessories who prioritise safety and long shelf life will find these cells a practical choice. Bitter-coating, secure packaging and an extended runtime claim reduce ingestion risk and the need for frequent replacements. Worth keeping as long-term spares, since reliable 3V performance and the ten year storage guarantee increase convenience and reduce hassle over time.
