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Energizer Ultimate L91 BP-8 AA 3000mAh 1.5V High Energy 5A Lithium (LiFeS2) Button Top Batteries - 8 Pack Retail Card

Brand: Energizer
Brand: Energizer
  • The most powerful primary AA battery on the market, and lasts up to eight times longer than traditional alkaline cells.
  • With an amazing capacity of 3000mAh, they can run your high performance electronics longer and more efficiently than other AA batteries.
  • Capable of functioning well in extreme temperatures, they also boast a shelf life of up to 25 years, making them ideal to store them safely.
  • Lithium Iron Disulfide chemistry allows for more power and runtimes, even being a primary (non rechargeable) battery.

Energizer Ultimate L91 AA Batteries - 8 Pack

Longer Lasting

The Energizer Ultimate L91 AA Battery is the most powerful and efficient primary AA battery available on the market today. With an impressive capacity of 3000 mAh, the L91 can power your digital camera and other high-performance electronics for up to 8 times longer than the typical alkaline battery! The L91s are capable of producing 3 Amps of continuous current and 5 Amps of Pulse current (2 seconds on, 8 seconds off), more than enough to power high-drain devices like flashlights, remote control vehicles, hand-held gaming systems, and much more. The cells feature an exceptionally long shelf life of up to 25 years, making them perfect to keep around the house or in your car as spares.

Special Chemistry

The L91 cells use a unique Lithium Iron Disulfide (LiFeS2) chemistry to provide greater power and dependability compared to even other Lithium batteries. Capable of functioning in both extremely high and low temperatures, the L91s are much more reliable than regular primary batteries. Their higher operating current and flatter discharge curve allow the cells to achieve better performance and longer runtimes. The chemistry even makes the batteries intrinsically safer, providing greater leak resistance and replacing the need for unstable chemicals such as lead or mercury.

Features and Specifications:

  • Lasts up to 8 x longer than alkaline cells
  • Battery Size: AA
  • Battery Chemistry: Lithium Iron-Disulfide (LiFeS2)
  • Nominal Voltage: 1.5V
  • Nominal Capacity: 3000 mAh
  • Operating Temperature: -40°F to 140°F (-40°C to 60°C)
  • Max Discharge Current: 3.0A (Continuous), 5.0A (Pulse)
  • Shelf Life: 25 Years at 21°C (69.8°F)
  • Dimensions:
    • Length - 1.99" (50.5 mm)
    • Diameter - 0.57" (14.5 mm)
  • Weight: 0.5 oz. (14.5 g)

Energizer L91 batteries are now officially certified as being intrinsically safe! You can check out more information here.


  • NON RECHARGEABLE BATTERY! Do not put this battery into a charger of any kind, as they are primary (one-time use) batteries.
  • Do not throw the battery into water or cut the battery open.
  • Do not mix with batteries of different chemistries.
  • Not compatible with devices that require more than 1.7V or devices that cannot take 1.7V batteries.
  • Certain cameras do not take this type of battery, so be sure to check before installing.
  • These batteries cannot be returned once the original package is opened.
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