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Duracell DL2016B2PK Lithium Coin Battery, 2016, 2/Pack

TLDR Review: Duracell DL2016 Battery 2-Pack

By ShopSavvy Team

Published: January 13th, 2026

Pros

•Offers consistent and reliable power output suitable for everyday electronics and higrain devices.
•Lonasting 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 temperaturependent, 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.

Bottom Line

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.

Lowest at Amazon

$5.79 at Amazon

Lowest at any Popular Retailer

$1.80 at Adorama

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 98 retailers to give you the short version.