Is Energizer actually the longest lasting battery?

Author: Kara Jones  |  Last update: Wednesday, March 26, 2025

The only result in this test which didn't surprise us was the winner of the longest life battery in the form of the Energizer Ultra Lithium. We've known for some time this baby was packed with power, and lasts forever. If you need a battery that you just don't have to change very often, these are the ones.

Is Energizer the longest lasting battery?

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).

What is actually the longest lasting battery?

Brands like Duracell and Energizer often lead in performance, with Duracell being noted for its longevity and Energizer for its high performance. Specifically, the Energizer Ultimate Lithium and Duracell Quantum batteries have high ratings for their lasting power.

Which lasts longer, Duracell or Energizer?

The battery life in these two brands differs. Energizer lasts three times longer in clocks than the Duracell, but Duracell takes the crown by lasting two times longer when used in flashlights. To ensure that our environment is not harmed, both brands support the Call2Recycle program.

Which battery lasts longer, Energizer or Duracell experiment?

In the end my hypothesis was correct and the Energizer outlasted the other two types tested. It ran for 309 hours, where Duracell ran for 247 hours, and Panasonic ran for 176 hours. Based on my findings I would strongly recommend using Energizer batteries.

Which AA Battery Last The Longest?

Why do Energizer batteries last longer?

The Energizer rechargeable batteries are manufactured with Recharge Power Plus. This allows them to deliver longer-lasting power with every charge. Plus, Energizer rechargeables can be charged hundreds of times before you discard them.

Why is Duracell better than Energizer?

When comparing rechargeable AA batteries, Gizmodo found that Duracell lasted longer (5 to 6.5 hours) than Energizer batteries (2 to 3.5 hours). Both companies batteries are NiMH (nickel metal hydride); the Duracells are 2000 mAh and the Energizer batteries are 2200 mAh.

Did Duracell have a bunny?

The Duracell Bunny Biography. Since 1973 the Bunny has evolved to keep up with the times. His evolution, however, also runs parallel to the consistent improvements in the quality and power of Duracell batteries and products. Today, the Duracell Bunny is one of the most widely recognized brand icons across the globe.

Do Duracell batteries leak more than Energizer?

Duracell batteries have a slightly lower likelihood of leaking compared to Energizer. Both brands implement leak-resistant designs, but factors like battery age and improper usage can increase leakage risks. Proper storage and handling are essential to minimize leakage issues.

How many hours do Energizer batteries last?

An Energizer AA cell has a capacity between 1.5 and 3 Ah (1500 and 3000mAh), depending on many factors, including the load current and end of life (EOL) voltage you can work down to. For example if the current is 100mA, you will see the the capacity is 2400 mAh, . Divide the 2400 by 100 and you get 24 hours.

Which battery has the longest lifespan?

Lithium batteries generally last longer and perform better than other types of batteries. Like lead-acid batteries, for example. Lithium batteries currently have the longest lifespan of all available deep-cycle batteries. Many can last between 3,000 and 5,000 partial cycles.

Which battery is best for long term?

Lithium-ion inverter batteries offer high energy density, longer lifespan, and faster charging, making them ideal for modern backup power solutions.

What is the battery that lasts forever?

The Forever Battery? World's First Diamond Battery Promises Power for Thousands of Years. The concept could apply to a wide range of applications, from everyday devices and pacemakers to interstellar voyages.

Do Energizer batteries go bad?

Q: Do batteries expire? A: Yes, all good things must come to an end. To find the Best If Used By (BIUB) date of the batteries in question, please look on the uppermost section of the cells, near the battery type (AA, 9V, etc.). You will see a white box with the Best If Used By year printed within it.

Are Costco batteries as good as Duracell?

As for performance, longevity fell just five minutes behind its name-brand counterpart. According to studies done by NBC and Consumer Reports, they're also neck and neck with Duracell in their rankings.

Are AA batteries allowed on planes?

Consumer-sized batteries (up to 2 grams of lithium per battery) may be carried. This includes all the typical non-rechargeable lithium batteries used in cameras (AA, AAA, 123, CR123A, CR1, CR2, CRV3, CR22, 2CR5, etc.) as well as the flat round lithium button cells.

What is the Duracell vs Energizer lawsuit?

Ultimately, the court found that the claims made in Duracell's comparative advertising campaign were truthful and not misleading, but that their findings were used to the detriment of Energizer's goodwill. The deadline for the parties to appeal this decision is in September 2023.

Who sells more Duracell or Energizer?

The top selling alkaline battery brand in the United States in 2016 was Duracell Coppertop, with about 868.2 million U.S. dollar in sales. Energizer Max had the second highest sales figures that year. The Duracell Company is the leading alkaline battery vendor in the United States.

Which brand of AA battery lasts the longest?

The Basics

At Cinema Sound – and at many of the studios we work with – the Duracell ProCell batteries are the de-facto standard. Believed to be the “longest lasting” and “best value” AA battery, we've been buying them by the hundreds for years.

What is the Duracell controversy?

A money launderer who fled the country after setting up a company to manufacture 'Duracell energy drinks' without the company's permission has been sent to jail almost 12 years after he was convicted.

Is Energizer Max better than Duracell?

Energizer Max AA alkaline batteries

Again, it comes down to bulk price and performance. The two leading AA battery brands, Energizer and Duracell, stood out in the competition, displaying similar performance, with Energizer having a slight edge.

What is a Duracell nickname?

Nickname for a person with ginger hair.

What is the longest lasting battery?

What type of battery has the longest life? Lithium thionyl chloride (LiSOCl2) batteries, specifically the bobbin-type cells, are renowned for having the longest life among battery types.

Previous article
What is the best natural product to clean a refrigerator?
Next article
Do ceiling fans actually lower the temperature of a room?