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Customer Ratings & Reviews

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Customer reviews

Rating 4.8 out of 5 stars with 2954 reviews

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Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.9 out of 5 stars

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98%would recommend to a friend

Customers are saying

Customers are enthusiastic about the long battery life and good price of Energizer MAX 9V batteries. Many also appreciate the reliable performance and the trusted brand name. While some past experiences with other brands have raised concerns about leakage, these batteries appear to avoid that issue.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 25 Showing 481-500 of 2,954 reviews
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    Energizer Battery

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good price on great batterys in popular sizes and count.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Dependability

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Energizer has always been a stronger and longer lasting battery. Great for fire detector dependability.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Energizer Batteries

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best 9v batteries last along time save money in thevlong run

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great long lasting battery

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am using these batteries in my custom controller and custom traffic light circuit board build. These batteries have proved reliable so far and have lasted me for some time.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Battery

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's the Energizer bunny battery...the best!! Deal of Day

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    They're batteries

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    They're batteries gang, they power things. That being said, these are best batteries I've ever bought. I think I heard the sound of angels when I opened the package.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great Batteries

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Energizer - MAX Batteries 9V (2-Pack) Great batteries the max batteries are long lasting and dependable are great for use in fire and smoke detectors.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Batteries

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's a battery! it was chocked full of energy. I used it to power two oscillating vulcanized accelerator units, connected to a radio frequency controller.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    They're batteries.

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    They're batteries. Good charge, long life, and get the job done.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Batteries for smoke detectors

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought these batteries for the smoke detectors in our home. Won’t need to change for several years. Good life on these batteries.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Noice

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This bad boy has been powering my fire beepy boi forever now. With this big pack I won't have to worry for a long time.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Batteries

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best 9 volt batteries I ever bought, not worth passing by

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    contains the power that it mentions

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    very good item it contains the amount of power that it mentions it has last for right amount of time right side for the type it is mentioned

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great battery for smoke detector

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Those battery will be used to replace old battery of house smoke detector. My original battery also Duracell and been installed about 2 years ago.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great Battery

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked perfectly and came fully charged. even tested them on my tounge to double check and yep they were charged.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great Battery for Smoke Detector

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This Energizer Max 9V Battery is great for smoke detectors. It's long lasting power means not having to change the battery too often.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Batteries

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Needed long lasting batteries for the smoke and fire alarm and chose these.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Worked as expected.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Stupid smoke detector was chirping for the last few days. Installed a fresh 9V battery. Problem solved. Peace and quiet at my house again.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Battery

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing battery! The best battery money can buy. If I had to recommend a battery, this would be it

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Battery review

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These batteries work great and are long lasting. We use them in garage door opener remotes. Another great product

    I would recommend this to a friend