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Energizer L91BP-8 Ultimate Lithium AA Batteries (8-Pack)

4.7 4.7 out of 5 stars 3,272 ratings

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  • 8-pack of Energizer Ultimate Lithium AA batteries
  • Energizer Ultimate Lithium is the #1 Longest-Lasting AA Battery
  • Leak-proof construction protects the devices you love (based on standard use)
  • Powers your most critical devices—ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games
  • Holds power up to 20 years in storage for trustworthy backup energy, so you’re always prepared
  • Performs in extreme temperatures, from -40F to 140° F, for year-round, indoor and outdoor use
  • See why nothing outlasts Energizer in high-tech devices

From the manufacturer

Ultimate, Lithium, Batteries, Dependable Power, Critical Devices, Smart Devices, Digital Cameras, VR
AA, AA, 9V, Doube A, Triple A, 9 Volt, Longest Lasting, 20 year shelf life, Leak Proof, Cell
long lasting, longest lasting, critical devices, home, office, remote, remotes, video games, game

max, maxx, reliable, strong, household, energy, affordable, high quality, radio, equipment, portable

Recharge, Rechargeable, Economical, Cameras, Toys, Games, Gaming, Controllers, Remote, Handheld,

Watch, Battery, Cell, Leak proof, dependable, specialty, Camera, Glucose monitor, pedometer, car fob

Energizer MAX, AA, AAA, C, D, 9V, Alkaline, No Leaks, Everday Use Ultimate, Lithium, AA, AAA, 9V, No leaks guarnateed, Recharge, Rechargeable, NimH, AA, AAA, 5 year shelf life, recycled batteries, eco, frequently used, Energizer Recharge Power Plus, AA, AAA, NIMH, 5 year shelf life, recycled, batteries, frequent use Energizer, Coin, Lithium,heart-rate monitors, glucose monitors, keyless entry Energizer, Hearing aid, Zinc, Long Lasting, device protection, leak proof, device protection
Energizer MAX Energizer Ultimate Lithium Energizer Recharge Universal Energizer Recharge Power Plus Energizer Coin Lithium Energizer Hearing Aid
Customer Reviews
4.7 out of 5 stars
46,763
4.7 out of 5 stars
3,272
4.7 out of 5 stars
8,446
4.7 out of 5 stars
23,625
4.8 out of 5 stars
167,421
4.5 out of 5 stars
143
Size AA, AAA, C, D, 9V AA, AAA, 9V AA, AAA, C, D, 9V AA, AAA 2032, 2025, 2016, 2450, 2430, 1632, 1620, 1616, 1220, 1216, 1025 10, 13, 312, 675
Composition Alkaline Lithium NiMH NiMH Lithium Zinc Air
Shelf Life/ Battery Life AA, AAA, C, D—up to 10 years; 9V—up to 5 years AA, AAA—up to 20 years; 9V—up to 10 years AA, AAA—up to 5 years; C, D, 9V—up to 3 years AA, AAA—up to 5 years Up to 8 years Up to 4 years
No-Leak Guarantee Yes—AA, AAA Yes Yes—AA, AAA Yes—AA, AAA Yes Yes
Made with Recycled Batteries - - AA, AAA—made with 4% recycled batteries AA, AAA—made with 4% recycled batteries -
Best Uses Everyday low to mid-drain electronics High-tech and smart devices; suitable for use in extreme temperatures Everyday devices that require consistent replacement Frequently used devices that drain batteries fast Reliable power for heart-rate monitors, glucose monitors, keyless entry, and more For many types of hearing aid devices including ITC, ITE, BTE, CIC, and Cochlear Implants.

Product Description

Product Description

1 package of 8 AA lithium batteries - the world's longest-lasting. No weather worries! Superior performance in extreme temperatures from -40 to 140 degrees Fahrenheit. Great choice for outdoor activities in any season. Manufactured in Singapore .

Brand Story

By

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 4.5 x 3.8 x 1.2 inches; 0.48 ounces
  • Item model number ‏ : ‎ EVEL91BP8
  • Batteries ‏ : ‎ 8 Lithium Metal batteries required. (included)
  • Date First Available ‏ : ‎ September 14, 2004
  • Manufacturer ‏ : ‎ Energizer
  • ASIN ‏ : ‎ B0000DC4EL
  • Customer Reviews:
    4.7 4.7 out of 5 stars 3,272 ratings

Important information

Legal Disclaimer

Battery can explode if exposed to fire or high temperature. Keep out of reach of children.

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Bulb Voltage

1 volts

Looking for specific info?

Customer reviews

4.7 out of 5 stars
4.7 out of 5
3,272 global ratings

Customers say

Customers like the value, quality, versatility, weight and durability of the batteries. For example, they mention that it works well in high-tech chargers, is effective and worth the investment. They say it's great for digital cameras and other high-technology devices. They appreciate the weight difference between the batteries and the alkaline variety. Customers are also happy with battery life.

AI-generated from the text of customer reviews

812 customers mention662 positive150 negative

Customers like the battery life of the tool. They say it lasts a really long time, has a much longer shelf life, and provides about 25% more life than normal alkaline batteries. Some customers also mention that the batteries tend to operate for over 2 years in this type of service, and last over a year in very low temperatures. Overall, customers are satisfied with the battery performance.

"I use these in freezer monitoring thermometers. They last over a year in very low temperatures." Read more

"These last a very long time. Great to my miners." Read more

"Great Batteries" Read more

"longer lasting than most works better in extreme temperatures" Read more

385 customers mention297 positive88 negative

Customers like the value of the batteries. They mention that it's a good value considering the number of batteries, and worth the investment for products that are high energy drain. Some are also pleased with the price and performance of these batteries, saying that they're expensive, but worth it for certain applications.

"The Energizer Lithium AA battery 8-packs are great value. I discovered these batteries as they came with my Apple wireless keyboard and mouse...." Read more

"...But I also believe that Ultimate Lithium batteries are worth the extra $$ for their convenience, better shelf life and not having to worry about..." Read more

"...These LAST so much longer!!! Sure they are more expensive, but worth every penny and are the ONLY type of batteries I buy now." Read more

"...scale and only needed 4 batteries, but this was a good price for these lithiums and to try something different.Pros.1...." Read more

333 customers mention333 positive0 negative

Customers are satisfied with the quality of the battery. They mention that it works well in their hi-tech chargers for their iPhone and iPod Touch, and is effective under higher loads. They are also pleased with their performance, saying that they work much better in cameras. Some say that the recovery time is quick, and the batteries die quickly. However, most are happy with their purchase and recommend the product to others.

"...With these lithium batteries, performance remains more consistent right up until they abruptly run out of juice...." Read more

"...Sadly, they'll probably outlast me.When put to use, they perform admirably...." Read more

"...They work absolutely well in my hi-tech chargers for my Iphone and Ipod Touch, without the hassle of charging it to my computer all the time...." Read more

"...cells is static life = 20 years and the fact they work well in very low temperatures so it is a great battery for devices that are normally off with..." Read more

62 customers mention55 positive7 negative

Customers like the durability of the batteries. They say they are lightweight, work in extremely cold temperatures, and have a long shelf life. They also say the batteries can handle freezing temperatures and destroy corrosion. Customers also mention that the performance is not affected by temperature extremes, making them excellent for outdoor weather stations.

"...They also perform much better in cold weather so winter backpacking is a good use of these batteries...." Read more

"...Lithium batteries also work better in extreme temperatures...." Read more

"...4. More power output in cold conditions.5. Much less likely to leak and corrode devices from the inside...." Read more

"...They take the temperature extremes, nature throws at them...." Read more

44 customers mention44 positive0 negative

Customers like the versatility of the battery. They mention it's great for use in their digital camera, trail cams, and other high-tech devices. Customers also say it'll last longer than regular batteries and is excellent for trail cameras. They also say the batteries are great for firefighting flashlights and headlamps with head-mounted battery packs.

"...3. Much lighter weight -- useful when backpacking and many other applications.4. More power output in cold conditions.5...." Read more

"These batteries are perfect for the nest smoke detector" Read more

"...These are especially good in small led flashlights - between the low draw of the LEDs and the long life of the batteries you store/use them for..." Read more

"...well at extremely low temperatures, so they're great for car flashlights/warning lights, outdoor weather sensors, etc.,..." Read more

37 customers mention37 positive0 negative

Customers are satisfied with the weight of the batteries. They mention that the lithium chemistry cells are significantly lighter and more powerful than their alkaline counterparts. Some say that the batteries are fantastic for headlamps with head-mounted.

"...These are 33% lighter than alkaline batteries and they provide about 25% more life in my headlamp with a voltage curve that is much flatter than..." Read more

"...3. Much lighter weight -- useful when backpacking and many other applications.4. More power output in cold conditions.5...." Read more

"...The second great thing about these is that they are incredibly light, with regular batteries weighing almost 50% more, and rechargeable so even more..." Read more

"...These are also significantly lighter than regular alkaline batteries if weight is a consideration for your application...." Read more

34 customers mention34 positive0 negative

Customers are satisfied with the power of the battery. They mention that it provides a higher level of power than the cheap AAs can put out, it's more powerful than standard batteries, and it maximizes the output power of your EDC flashlight. They also say that the batteries are great for high power consumption electronics and that they do better about holding consistent power.

"...of temperature of operation as well, making them a good choice for use in extremes...." Read more

"...using these, new, in powered toothbrushes, and I find it's a lot more powerful and longer lasting...." Read more

"...1. Much higher energy capacity. How much depends mostly on the amount of power draw from the device.2...." Read more

"...Keep in mind, that, these weather sensors do not draw a lot of power, which, explains why these Lithium Batteries last so long for me...." Read more

22 customers mention17 positive5 negative

Customers like the leakage of the batteries. They say that they never leak.

"...4. More power output in cold conditions.5. Much less likely to leak and corrode devices from the inside...." Read more

"...Lithium batteries NEVER leak!! (did you know that?) Even when they are dead. So...I think that just this fact makes them worth purchasing!!..." Read more

"...Best of all, they are far less likely to leak inside your electronic devices than alkalines...." Read more

"...NEVER will I but Duracell again..leaked all over my flashlight and they denied the claim claiming the batteries were counterfeit...." Read more

Atomic clock and Pentax camera working great
5 Stars
Atomic clock and Pentax camera working great
Needed AA lithium batteries for use in a digital camera and for an atomic clock that lives outside. The clock is sheltered under the eave of the house but still gets seriously cold in winter. The lithium AA battery is much better than alkaline for this purpose.La Crosse Technology WT-3143A-INT 14-Inch Atomic Wall Clock, BlackPentax K-30 Weather-Sealed 16 MP CMOS Digital SLR with 18-55mm Lens (Black)Clock and camera working great. I'm happy.
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