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I needed 2 batteries for a medical pendant for my mom. First two - pendant showed "low battery". Next two - completely dead. Third pair finally worked. Packaging looked old - no expiration date. I will not purchase again.
Batteries were in packaging similar to as shown. However most of the individual security closures had been opened for unknown reasons. I did check each of those batteries in an operational device, and they did work. What is unknown, is if these units were previously used and that information was not made known by the seller
I buy a card of 5 or 10 whenever I need a watch battery. They last in storage a long time. Beware of vendors that sell outdated batteries or knock off. Seems every watch we have uses a different battery. The extras come in handy for other stuff besides having to renew the watch battery in a year or two again. I try and stay with name brands and avoid the cheap chinese knock off brands. To replace a watch battery at a mall kiosk they charge like $10-15. A card of 10 batteries are less than $5. Tip: get a few tools for removing watch backs. One is a simple blade to pry off the snap on watch back. There is another tool that grasps 3 indentations on the screw off type. It is fully adjustable for most screw off watch backs. Probably around $10 on Amazon. Great investment.
With this package you will always have a spare handy. I hate when an electronic item I need won't work because of dead battery and this is a size i would not normally keep. With a 10 pack I no longer need to worry about that and at a great price too. Also like the fact it is delivered to my home and I don't have to run around looking for it.
If you are shopping for LR/SR44 batteries on Amazon you will quickly notice that there re a LOT of sketchy stuff including off brands, and questionable versions of name brands. I chose these because they were actually fulfilled by Amazon. Not some strange Brooklyn camera outfit (there is a trend)
I have seen the less expensive "Maxell" batteries run down very quickly (weeks) in an old vintage camera that should get at least a year of battery life, even with moderate use.
The silver oxide batteries are the ones you want and it is worth getting a name brand over the cheaper imports.
They're batteries. They worked for their intended use, that is, powering all of our Hallmark noise-making Christmas ornaments. I'm a stickler for removing batteries before putting the ornaments back in storage. Thank goodness for that! I stored the batteries in a drawer with all of my other batteries and within a couple months these things had corroded and opened up, spilling a lead-colored powdery substance everywhere.
We use these batteries in light timers for our living room. These work perfectly and now we can replace them as soon as the low battery warning appears. The package did not have an expiration date for the batteries, which would be nice to know.