Home > 9V Batteries > Allmax 9V Maximum Power Alkaline Batteries (12 Count) – Ultra Long-Lasting 9 Volt Battery, 7-Year Shelf Life, Leak-Proof, Device Compatible – Perfect for Smoke Detectors and Fire Alarms

Allmax 9V Maximum Power Alkaline Batteries (12 Count)

maximum power Allmax 9V batteries, high capacity alkaline batteries, daily use, Ultra long lasting 9 Volt battery, performance, maximum power, 7 year Shelf Life

H&F Rating 127 reviews
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What We Like

  • Built-in energy circle technology that helps to supply maximum power to the electronic devices
  • Leak-proof and mercury-free battery that helps to protect the devices
  • Compatible with devices such as smoke detectors or garage door openers


  • may be short for some devices

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About Allmax 9V Maximum Power Alkaline Batteries (12 Count)

AA AAA 9V C D A23 Brand Maximum Power Alkaline 0% mercury, cadmium, lead. Allmax batteries are rechargeable and can be used in a variety of applications including remote controls, flashlights, digital cameras, blood pressure monitors, and toothbrushes. They are also available in an impact-resistant box that is 'leak-proof' and is not corrosive to Mercury, Cadmium, Lead. The battery life is 10 years, seven years, and 7 years. AllmaxS 9V batteries have a capacity of 720 mAh. You can find the expiration date on the body of the battery or the box. It is marked with the "Best Before" date. The height of our batteries is 1.85 inches with an outer diameter of 0.66 inches. If the size of your battery compartment is designed to IEC standards, these batteries will fit. We recommend storing your batteries in the refrigerator. Extreme high or low temperature is not good for batteries. Do not mix old and new batteries or batteries of different types or brands. Amazon is responsible for delivering our products, so they will take care of your order. If your box or product is damaged in any way, please contact us through amazon.com. For more information, visit www.amazon.co.nz.

Results of our analysis:

We analyzed 55,953 reviews for 87 products in the 9V Batteries category.

We then analyzed 127 reviews for this product. None were recent.

100% of reviews were positive.

Final Score:

9.62 out of 10, based on these factors:

  • Battery efficiency
  • Longevity
  • Overall satisfaction
  • Packaging
  • Quality of material
  • Value for money
  • Common Questions


    Are the allmax 9v ultra long lasting as long as the energizer ultimate litium 10 year battery?


    All Max Ultra long lasting 9V batteries are not batteries with the same quality as Energizer Max 9V alkaline batteries.


    How much power are these batteries?


    Since they have different power, the service time of alkaline batteries used in these electrical devices is different.


    Is it compatible with a Tens 7000?


    AllMAX All-Powerful Alkaline 9V batteries are compatible with all electronic devices that use 9V batteries.


    Does it fit smoke alarms?


    AllMAX All-Powerful 9V batteries are compatible with smoke alarms, because they are manufactured according to the IEC standard.


    Where are these manufactured?


    That is a great question, Allmax Battery Inc. is based in Irvine, California, and our batteries are manufactured at our state-of-the-art production facility in China.

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