ultimate banner

Energizer® Ultimate Lithium™ Batteries

Ultimate Lithium
Ultimate Lithium
ultimate lithium video

Best for: Everyday and High-tech electronics Available in: AA Ultimate | AAA Ultimate | 9V Ultimate

Nothing outlasts Energizer® Ultimate Lithium™ AA batteries. The Energizer® Ultimate Lithium™ batteries are the #1 longest-lasting AA batteries – complete with leak resistance and performance in extreme temperatures (-40ºF to 140ºF or -40ºC to 60ºC). To ensure your favorite devices operate at their peak performance, depend on Energizer® Ultimate Lithium™ batteries for work, play and home.

Energizer Ultimate Lithium™ batteries are 100% leak proof*

*Based on standard use


Work – Whether used in a wireless mouse, for high-powered LED lighting, a laser level or stud finder, Energizer®Ultimate Lithium™ batteries help you stay powered up on the job.

Play – Love camping, fishing, hiking or hunting? Is gaming your preferred way to play? Whether your play is outdoors with a handheld GPS or indoors with a game controller or gaming system, Energizer® Ultimate Lithium™ batteries helps you stay powered longer with the activities you love.

Home – When capturing memories with your digital camera, protecting your home with a security system or smart door locks, regulating your home’s temperature with a wireless thermostat, greeting guests with wireless doorbells, or managing your remote-controlled home devices, you want the World’s Highest Energy AA/AAA batteries – and what many consider the best AA batteries. Look to Energizer® Ultimate Lithium™ batteries as essential products for a smart home.

Top Innovative Features for Energizer® Ultimate Lithium™ Batteries

  • #1 longest-lasting AA battery
  • Superior performance in extreme temperatures from -40 to 140 degrees Fahrenheit – great for use in all seasons
  • Holds power in storage for up to 20 years (AA/AAA)
  • 33% lighter than alkaline batteries (AA/AAA)
  • Guaranteed leak-proof (based on standard use)

By using longer-lasting & reliable batteries, consumers use fewer batteries, create less waste, and have less impact on the planet. We're leading the journey to a future where Energizer® has a positive impact on the world. Join our Journey!

Available Types

Energizer® AA Ultimate Lithium™ Batteries
  • The #1 longest-lasting AA batteries
  • Considered by many to be the best AA batteries
  • Weighs 1/3 less than standard alkaline batteries
  • Performs in extreme temperatures from -40°F to 140°F
  • Holds power for 20 years in storage
  • Features guaranteed leak-proof construction (based on standard use)
  • See Technical Information
Energizer® AAA Ultimate Lithium™ Batteries
  • The #1 longest-lasting AAA batteries in high tech devices
  • Weighs 1/3 less than standard alkaline batteries
  • Performs in extreme temperatures from -40°F to 140°F
  • Holds power for 20 years in storage
  • Guaranteed leak-proof construction (based on standard use)
  • See Technical Information
  • Energizer® 9V Ultimate Lithium™ Batteries
    UL 9V 2
    • Up to 10-year battery backup in AC-powered smoke detectors
    • Lasts up to 20% longer in toys versus Energizer MAX® batteries
    • 25% lighter than standard alkaline
    • Performs in extreme temperatures from -40°F to 140°F
    • Leak-resistant construction
    • See Technical Information

    Energizer® Ultimate Lithium™ batteries are designed to prevent damaging leaks.

    Lithium Battery Diagram
    Some Top Uses for Energizer® Ultimate Lithium™ Batteries
    • Photography – high drain digital cameras and flash units that use a lot of power
    • On the Job – stud finders, laser levels and high power LED lighting
    • Home Safety - up to 10 years of battery backup power for 9V and AA smoke and carbon monoxide detectors
    • Toys – remote control toys, motorized toys, project kits and your kids’ favorite toys they just can’t get enough of!
    • Gaming – for high-use/high-drain game controllers such as Wii and Xbox
    • Outdoors – camping gear, GPS units, flashlights, hunting scopes and lasers