Energizer Ultimate Lithium AA 12 Battery Super Pack.

Best lithium battery, but don't think they outperform for the price. Yes they hold a charge for years when not in use, so they're good in low power consumption products, but are not worth the money compared to alkaline when using in a flashlight and measuring hours of light time vs. cost of battery. Triple the price does not equate to triple the hours of use, but they'll hold a charge and do not deteriorate in voltage over long periods of time when not in use. Good for storage, emergencies, use in a flashlight that sits in a car unused for a long time. But if you're burning up batteries with high use in toys and daily use, go with Alkaline.

I use the Energizer Ultimate Lithium AA batteries throughout my Airbnb to keep essential devices — from smart locks to remotes — running smoothly. They last significantly longer than standard batteries, which means fewer replacements and more peace of mind. Guests benefit from uninterrupted convenience, and I appreciate the dependable performance. Long-lasting, low-maintenance, and a smart investment for any hosting setup.

Good quality

Work well for my cameras, and fit perfect. Of residing in the city (busy street) battery life is not the best.

All of our smoke detectors needed new batteries. These were the win. They last a year and will be replaced with like kind. Easy to install and good value

Good price better than box stores. Just installed in my Smoke Alarms

Works great for our outdoor security cameras. Batteries are long lasting. We tried other brands, but these hold up the best, and we don’t have to change batteries as often. It was a noticeable difference when we switched to using these.

Lithium batteries last so long

I purchased these batteries for my Blink Outdoor camera system, as they were the ones it came with initially, and I have been extremely impressed with their performance. I currently have eight Blink cameras, and I now use these batteries in all of them. I’ve tried other lithium batteries before, but none have matched the consistency, reliability, and long-lasting power of these Energizer ones. Each AA battery weighs just 33 grams, making them noticeably lighter than standard alkalines, which is helpful when using multiple cameras or other portable devices. With a capacity of 3000 mAh, they provide significantly more energy than standard alkaline AA batteries, which typically range from 2000–2500 mAh. This higher capacity means they can deliver longer runtime, particularly in high-drain devices, so I don’t have to replace them frequently. In my Blink cameras, they have lasted up to six months even with heavy use, which is exactly what I need, as I often use the live view feature. The description states that they operate effectively across a wide temperature range, from -40°C to +60°C, so they can handle both cold winters and hot summers without issue. While I haven’t personally tested them at those extremes, they have been in my Blink cameras in direct sunlight on the hottest days of the year and performed flawlessly. They haven’t experienced the cold of winter yet, but if they can handle -40°C, it won’t be a problem here in the UK. I’ve had no issues with leaks or device problems, and the batteries deliver consistent, reliable power throughout their life. Although these are more expensive upfront than regular alkalines at £9.25 for a 4 pack, they are excellent value for anyone needing dependable, long-lasting power. I normally try to wait until they are on offer, as even with their longevity, buying enough for all eight of my Blink cameras can still hurt the wallet. However, having been stung before by cheaper lithium batteries that barely lasted a month, I’d rather invest in quality and peace of mind, which is exactly what you get from Energizer. Highly recommended! Thank you for taking the time to read my review. I hope that you found it helpful and that it assists you in your decision-making. I try to be as honest and fair as possible, as those have always been the reviews that helped me the most.

good value

Muy bien

Perfette

As a creator in the world of jewelry and design, I rely on top-quality materials and tools to bring my vision to life. That's why I can't say enough good things about the Energizer Ultimate Lithium AA Batteries. These batteries have become an essential part of my toolkit, providing the reliable power I need to keep my projects running smoothly. First and foremost, the performance of these batteries is exceptional. With their advanced lithium technology, they deliver long-lasting power that keeps my equipment running at its peak performance for extended periods. Whether I'm operating my 3D printer, powering my laser engraver, or running my soldering iron, I can always count on Energizer Ultimate Lithium batteries to provide the consistent power I need to get the job done right. What truly sets these batteries apart is their durability and reliability. They're designed to withstand extreme temperatures and harsh conditions, making them ideal for use in my workshop where conditions can be unpredictable. Whether I'm working in a hot, humid environment or a cold, drafty space, I have full confidence that these batteries will perform flawlessly every time. Another standout feature of Energizer Ultimate Lithium batteries is their long shelf life. As a busy creator, I often have multiple projects on the go at once, and I need batteries that will stay fresh and ready to use whenever I need them. With Energizer Ultimate Lithium batteries, I never have to worry about finding a dead battery when I'm in the middle of a project. These batteries retain their power for up to 20 years in storage, ensuring that they're always ready to go when I am. In summary, Energizer Ultimate Lithium AA Batteries are a must-have for any serious creator. With their exceptional performance, durability, and long shelf life, they provide the reliable power I need to bring my designs to life with confidence. I highly recommend them to anyone looking for batteries that won't let them down when it matters most.