Pros

  • Offers great performance and reliability for smoke detectors and other devices.
  • Lasts longer compared to cheaper brands, ensuring safety when needed.
  • Features a ear shelf life, making it suitable for infrequent use.
  • Ecriendly packaging includes recycled materials, promoting environmental sustainability.
  • Datoded and mercury-free, which protects devices from leaks and contributes to environmental safety.
  • Designed to maintain power for up to five years in storage, ensuring availability when needed.

Cons

  • The warranty claims process is frustrating and convoluted, requiring excessive documentation.
  • Batteries did not perform as expected in some applications, such as faux candles.
  • Slightly more expensive than other options, which can be a drawback for budgeonscious consumers.
  • Some concerns about receiving older batteries that may not hold a charge as long as newer ones.

Bottom Line

Energizer 9V Batteries offer reliable and long-lasting performance with a commendable shelf life, making them an excellent choice for smoke detectors and a variety of devices. Although slightly pricier and with some reported issues in customer service and specific non-traditional uses, their eco-friendly design and proven reliability make them a solid investment for ensuring home safety. For those prioritizing budget, it might be worth exploring alternative brands that offer similar power at a lower price.

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