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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

Pros & Cons

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The AI used to provide these results are constantly improving. These results might change.

Pros

Smoke alarms go peep! It was either buy these, or shoot my smoke detectors. They work as expected, no problems. They get used in customer's fire alarms and other equipment needs.

Rayovac battery lasts 10 to 11 days. Energizer alkaline 9 v batteries. Good price for 9 volts.



Cons

The expiration date is dec 2016 so unless they were stored outside in the blistering sun for months they should be okay. Is't that 3 years and 5 months freshness? That's about 68% fresh. Less than three years before expiration!

This is the last time i will be purchasing the rayovac ultrapro 9v's. Found 2 almost dead already. Too much of a hassle to return. Half of the cells dead means twice the price for the live ones, which is unacceptable.

Batteries are only for backup during power outages. As they approach their end date, the battery efficiency deteriorates.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality


I have bought the rayovac 9 v alkaline batteries several times, with the same result.


With the new year comes changing smoke detector batteries.

Price


I like that they were us made and price wasn't best around but close to best.

Packaging/appearance


I like the plastic packaging to keep everything organized.

Competitiveness


I paid about 13-bucks for these in 2009 and can't see paying nearly 18-bucks as of today's pricing.

Overview

  • How are reviewers describing this item?
    good, great, long, last and made.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 1509.
  • Our engine has analyzed and discovered that 78.8% of the reviews are reliable.
  • This product had a total of 330 reviews as of our last analysis date on Sep 3 2022.

Helpful InsightsBETA

The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    I buy batteries they shut up


    Posted by a reviewer on Amazon

    The energizer battery lasted 10 to 11 days


    Posted by a reviewer on Amazon

    The rayovac battery lasts 10 to 11 days


    Posted by a reviewer on Amazon

    I have bought the rayovac 9 v alkaline batteries several times with the same result


    Posted by a reviewer on Amazon

    Popped them right in and was good to go


    Posted by a reviewer on Amazon

    I paid about 13bucks for these in 2009 and cant see paying nearly 18bucks as of todays pricing


    Posted by a reviewer on Amazon

    Annual fire alarm battery change

Review Count History
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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

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