TLDR Review: Duracell DL2016 Battery 2-Pack
Verdict
The Duracell DL2016B2PK Lithium Coin Battery is a solid choice from a trusted brand that delivers reliable, long-lasting power for a range of devices like cameras, key fobs, and EDC gadgets. While most users find it dependable, keep in mind that performance can vary with temperature and occasionally start off inconsistent. If you need a dependable lithium coin battery that balances quality and availability, this is a smart pick. For those who want a backup option or alternatives with similar specs, there are other major brand options out there, but this remains a go-to for general use.
- Top pro:
- Offers consistent and reliable power output suitable for everyday electronics and high-drain devices.
- Top con:
- Performance can be inconsistent and temperature-dependent, with some reports of the battery initially failing or only working sporadically.
Pros
- •Offers consistent and reliable power output suitable for everyday electronics and high-drain devices.
- •Long-lasting performance that often outperforms many other brands.
- •Compatible with a variety of devices, including Canon 40D cameras, key fobs, reusable notepads, and EDC lights that use CR2016 batteries.
- •Fits key fobs correctly in both size and quantity without issues.
- •From Duracell, a trusted and reputable brand known for quality and durability.
- •Convenient to find and purchase, including on platforms like Amazon.
- •Performs well even in cold weather once the battery "warms up" during winter months.
Cons
- •Performance can be inconsistent and temperature-dependent, with some reports of the battery initially failing or only working sporadically.
- •A few users experienced batteries that quickly lost power after initial use.
- •The battery sometimes only starts working reliably under certain conditions (e.g., cold weather).
- •May not be the most reliable choice if consistent 100% performance is critical every single time.
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Oct 13, 2026.
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