Verdict

The Duracell CR123A is a solid choice if you need reliable power for critical applications like home security systems, motion detectors, or medical equipment—users consistently report these batteries lasting 5+ months in motion detectors compared to just 3 months with Energizer. The 12-pack provides excellent backup supply, and security professionals specifically recommend these for motion sensor applications. While they're more expensive than budget options, the significantly longer lifespan makes them cost-effective in the long run, especially for devices where battery failure could be inconvenient or problematic.

Top pro:
Outperforms competitor brands like Energizer in motion detectors, lasting significantly longer (5+ months vs. 3 months)
Top con:
Only marginally longer-lasting than some generic alternatives, so premium pricing may not always justify the difference depending on your use case
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Pros

  • •Outperforms competitor brands like Energizer in motion detectors, lasting significantly longer (5+ months vs. 3 months)
  • •Exceptional battery life that justifies the cost, especially for critical applications like security systems and medical equipment
  • •Reliable performance in demanding devices like AED machines and motion detector systems without leaks
  • •Recommended by alarm company professionals as the superior choice for motion detector applications
  • •Pack of 12 provides ample supply for replacements and backup power needs
  • •Noticeably better quality and durability than generic or budget alternatives
  • •Consistently reliable for high-drain devices like motion sensors and high-intensity flashlights
  • •Trusted brand name suitable for mission-critical equipment where failure isn't an option
  • •Good value for money when you factor in the extended lifespan compared to other brands

Cons

  • •Only marginally longer-lasting than some generic alternatives, so premium pricing may not always justify the difference depending on your use case
Lowest at Amazon
$41.79 at Amazon
Price seen Oct 10, 2026

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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 10, 2026.

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