Ratings may include incentivized customer reviews.
What Customers Are Saying
The Energizer Ultimate Lithium 9V batteries are praised for their exceptional performance and long-lasting power. Customers report that these batteries last significantly longer than standard alkaline batteries, making them ideal for use in various devices. The batteries are reliable, durable, and compatible with a wide range of devices. While more expensive, most customers feel the higher cost is justified by the extended battery life and peace of mind, especially for critical safety devices.
Customer review summary generated by AI, including incentivized reviews.Long battery life
Energizer batteries provide long lasting battery life. They last a long time on my Tens unit that I use every day. The packaging is easy to open too.
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Great for gadgets
I used this battery for our camping light and it worked amazing. Lasted a long time! Performance was great and would definitely buy energizer again for the camping light
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10 year lithium battery
I used this Lithium 9 volt battery in several items including my smoke alarms. A 10 year battery life is great for smoke alarms. A little pricey but it doesn’t need replacing as often so I felt I wanted to give it a try.
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Powerful
This battery is amazing, I had to change out the battery in the fire alarm and that was 2 years ago and its still going. Im amazed at the longevity of this item.
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Product worked well
Long life
Great battery, the battery life has been long and it has been reliable. Well packaged with clear marketing. Easy to install with clear instructions.
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Standard 9V
What’s there to say - this is a standard solid 9V battery. I’ve got it in my smoke alarms and it’s been going strong for a long time. No complaints it has a lot of charge
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Reliable and long lasting
: 1 These Energizer 9V batteries are always reliable and last a long time. I prefer them for all my devices that need this battery type. High quality and worth the purchase. Highly recommend.
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Reliable and long lasting.
I’m really happy with the energizer 9v lithium battery. It works great seems to last much longer than standard 9v batteries. I like that it has a long shelf life and will be reliable when I need it.
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Cheapest online
Cheapest online
Longest lasting.
This is the best battery I have used for my fire alarms they have lasted longer than any other brand I have used, about a fourth of my hand, very light, no discharge.
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Spendy
Works great for nineteen dollars!!!
if you are not looking to be constantly changing batteries this is a good option
The Energizer Ultimate Lithium 9V Batteries are of very good quality, since they are of long life and performance. They are light and resistant to extreme temperatures. These batteries stand out for their long service life and leakage resistance, if you are not looking to be constantly changing batteries this is a good option
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They work as intended
The output is fine, the size is the same as others, durability is hard as a rock. If you have ever shot one of these with a 0.22 bullet they explode and makes a fun boom.
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Works great
Purchased for my wife’s grandmother to use in her alarm clock. Even though it’s plugged in the battery will help when the power goes out so it’s long endurance will be great.
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