PGSONIC 20 Pack CR2450 3V Lithium Coin Battery

These batteries work very well. They last a long time and have good power. I have used them for several different devices. They are reliable and a great value for the price. I would definitely buy them again.

I recently bought this and I’m really glad I did. It arrived on time and was well-packaged. The quality feels solid and it works exactly as described. Setup was straightforward and I’ve been using it regularly with no issues so far. It does what it’s supposed to do and feels like good value for the money. I’d buy it again and would recommend it to others looking for something reliable.

I have tested these batteries in depth over the last two years and here is what I've come up with versus Energizer version of these same batteries. What I tested them in: Garage door openers, car key fobs and remotes, garage door sensors for alarms, a small flashlight, a headlamp, a handheld radio, couple of other small household remotes etc. A few caveats: All batteries were as fresh as I could get them. Straight out of the packages. The Energizer were the best lithium ones that energizer sells. These batteries were all put straight into use except for the ones I used for shelf testing. 1. In terms of voltage, they are nominal 3V usually starting around 3.3 or so. Some however started lower, even out of the same package, some were ~3.3 other were as low as 3.0 which is starting to show age. Every single Energizer I tried was near ~3.3 Volts. Very little variability with the energizers. 2. When being used in lightly used applications, say a garage door remote, these batteries do fine although the do not last as long as the energizers meaning the mah is a bit less. 3. When shelf testing (Just leaving them on the shelf unused) these batteries deteriorated much quicker than the energizers. After 2 years the energizers showed no detectable degradation and a majority of these batteries showed some sort of degradation just sitting on the shelf while a whole 10% were fully dead with another whole 10% basically still at full charge. 4. In heavy drain applications, say a really bright led headlamp, these things die quick in comparison to the energizers. My overall testing showed: 90+ mah (usually around 92 for the Energizers) and around 64 mah for these batteries. Bottom line: Are they worth it? In my opinion yes, here is why: They cost 1/3rd as much but you are getting over half the capacity. Yes you have to change these batteries not quite about twice as often as the energizers but if it's easy, the price per mah can't be beat. If you need these for a long term stand-by or want to install them in something you want to change as little as possible, use the Energizers or Duracell or the like. Far more expensive, but last longer. For a critical device of some kind, I'd use Energizers or Duracell. For an every day device, I'll use these all day, twice on Sunday. Although I did get a couple that were marginal right out of the package, taking those into account, but accounting for price, how long some of them actually did last, I found this: If you test them first, and put in the ones that have close to 3.3V you'll find they last about 75% of the time the Energizers do. These batteries can be hit or miss, but what do you expect for the price? These are a good buy if you know what you're getting into.

Great product and price..

I bought these to replace the old batteries on my Philips Hue switches and they have been doing that job really well. I do not expect them to last as long as the top name brand ones by any means but the fact that these come in a 20 pack for about the same price as a 5 pack of the good brand, more than makes up for the uncertainty in battery life.

I needed a CR2450 coin battery for the remote for my BlackVue dash cam, and these batteries fit perfectly. The 20-pack is a great value and gives me plenty of replacements to keep on hand for a long time. For something as simple as a coin battery, these do exactly what I needed.

Work great- I keep them on hand. Sometimes they expire before I use them all, but the price is so low. They are still a great value.

Have used several different brands including the big names. Use them in several of my devices and these are the best I’ve used yet.

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