[This review was collected as part of a promotion.] Definitely child safe! But once I cut open the package, I did like that it had another plastic insert so my fingers did not have to touch the battery! I used this to replace the old one in our thermometer before sending it off to my son at college. Immediately powered on and I trust the Energizer brand for longevity and reliability. I used the other battery to replace the dead one in my Volvo key fob that I use daily. Powerful and reliable! Waited a month before writing review to be able to comment on daily usage.

[This review was collected as part of a promotion.] Make sure you pay attention to the instructions on how to open the package as you will need to follow them exactly to get it open all the way. The batteries are very securely packaged individually. This is a nice assurance if you have kids. I used one of the batteries in my car remote and it fit perfectly. Gave my remote the power needed to unlock and lock my doors as usual. Overall value is good for a multi pack.

[This review was collected as part of a promotion.] I received this product for free in exchange for my honest review. Wow...these do not lie about being a deterrent. As soon as you cut open the child safe packaging the smell hits you. It smells like a medical cleaning agent of sorts and takes your breath away. I would certaintly think that alone would deter a child from putting it in there mouth. We have had no issue with these and I will definitely be buying these with a toddler in the house. I would always rather be safe than sorry.

[This review was collected as part of a promotion.] So I use these for my car keys. This is the ultimate child shield version and I definitely couldn't open it like the other ones. This is perfect since I have younger kids. They also usually last me a long time until I need to replace them.

[This review was collected as part of a promotion.] Great quality battery! It is easily usable and is now safe to have around kids. I wish I could say that curiosity didn't get the better of me and that I didn't try to lick it and see that it does indeed have that terrible taste that will stop children from putting it in their mouths. But I won't lie, I did, and it tastes terrible haha. 

[This review was collected as part of a promotion.] Energizer always has the best batteries! I have had to replace my air tag and car fob batteries repeatedly in the last year. So far, this one has outlasted all the others. Now I will rest easy that my air tag locator won't be dead when I need it.

[This review was collected as part of a promotion.] I approve of the childproof design of these Energizer coin batteries. The package is hard to open even though it is small. When opened there is a bitter and potent smell that definitely deters someone from wanting to taste it. I tested the dye effect by putting a drop of water on the battery. The purple dots instantly turned blue and stained my fingers. It would be very clear if a child tried to put the battery in their mouth and then decided it tasted bad. It fit nicely in an Apple air tag.

[This review was collected as part of a promotion.] I tried Energizer lithium batteries in my car keys. It works great. In general I satisfied this brand. Two batteries in pack is a great idea, because the second one I will keep as extra in my car. The battery has long term of use till 2038.

[This review was collected as part of a promotion.] I use AirTags on a few items. I bought a pack of competitor batteries that last equally as long because they were on sale. And I had to buff off their version of Child Shield to get them to work. Even involved nail polish remover. It was annoying. I use these kinds of batteries quite a bit, but mostly for AirTags. I was impressed that I was able to use it as is and it works without interrupting the battery connection. It seems like if I really wanted to remove because I needed to, I could with scissors and scrape it off without having to make so much effort. These are packed well and have a great deterrent for children, without also deterring me from using. I'll buy these from now on!!

[This review was collected as part of a promotion.] Good batteries. I hate the packaging, but I also don't have children, but I could definitely see how this is child proof lol- it was almost me proof! Taking them out was insanely difficult. I keep mine stored in a toolbox, out of reach anyways.