These are beyond any doubt the longest lasting batteries available and the price is the best price I found anyplace. Shipping was free and very fast.

I do not know if these "Ultimate Lithium" batteries will really last but they are expensive.

It’s batteries.

I use these batteries for devices where I do not want to change the batteries often. They offer superior battery life as compared to Alkaline batteries.

Lithium batteries are superior to alkaline batteries because they last longer. After they discharge they don't leak and damage the equipment they installed in.

Batteries did not last for two weeks out in the cold. I’ve used these in the past and they were very good but this last batch of two packs were not good at all.

I don't know why lithium batteries are so scarce compared to alkaline, especially with so many electronic devices around. They're far superior and last much longer in electronics than alkaline, especially in temperature extremes. I use these on my outdoor security cameras (Blink) and while they're supposed to last 2 years I'm going on 2 1/2 years now and the batteries are still going strong.

I know most everyone has bought replacement batteries in the past at some point and time for some device before ! I’ve been a Duracell person for years because I felt like they lasted longer but after trying these lithium energizer’s I’m convinced that they are better not to mention they don’t leak acid after being used for long periods of time like the Duracells would and ruin the devices they were installed in !

Based on previous purchases of these Lithium batteries, I found the Sam's Club price to to be far lower during this sale than other stores, so I purchased two 18-Packs to power all of my battery operated devices. They last much longer than non lithium batteries and stand up better under extreme temperature variation - both hot & cold. Great for outdoor weather stations and outdoor cameras!

I keep a good supply of these batteries onhand, but I still resent the exorbitant price every time I replenish my stock. Keep these in hard to reach devices, and for powering things exposed to humidity swings. Never had one corrode on me yet. I guess theyre worth it.