What is the shelf life or useful life on this battery? or please tell me simply the date of manufacture?
1480720
I have checked on this. The code on the battery tells you the Date of Manufacturer. I.E. The battery I have in my hand has a code of 11234 that means it was manufactured in (20)11, on the 234 day of the year. Hope this helps.
525610
That is when the battery was made. It should still be good. They usually have a long shelf life
2148302
Mine just arrived on 16 June 2015 and the code on them are 1215 meaning they were made just a few months ago in the 12th week of this year 2015. Very fresh batteries. Good for 10 years.
727575
I'm not a vendor; I'm also a customer. Sorry I can't tell you what the expiration date was as I discarded the packing. If you store unused batteries in a zip-locked plastic bag in a refrigerator, they won't "leak" their charge.
1294778
I'm not really sure, the battery I received had a manufacture date on it. So far it seems to be working just fine. The batteries usually last for 2- 3 years tops , even with new laptops purchases.
1270129
Doesn't seem to have a clear Manufacture date. This battery is almost identical to the original battery NA1BA04CS/4-B vs NA1B14DS/4-B (Not sure which is the original any more) if this helps, but its the only info that is different on the batteries. The two i have are so similar I can't tell which is the original. I even Googled it and not alot came up with identifying a positive manufacture date for this battery. sorry I couldn't answer your question, but I hope this gives u some benefit, anyway I think it is worth the buy considering its probably less expensive than at a battery store or a walmart type store if u can even find 1. My the odds forever be in your favor! Doesn't seem to have a clear Manufacture date. This battery is almost identical to the original battery NA1BA04CS/4-B vs NA1B14DS/4-B (Not sure which is the original any more) if this helps, but its the only info that is different on the batteries. The two i have are so similar I can't tell which is the original. I even Googled it and not alot came up with identifying a positive manufacture date for this battery. sorry I couldn't answer your question, but I hope this gives u some benefit, anyway I think it is worth the buy considering its probably less expensive than at a battery store or a... » Read More Doesn't seem to have a clear Manufacture date. This battery is almost identical to the original battery NA1BA04CS/4-B vs NA1B14DS/4-B (Not sure which is the original any more) if this helps, but its the only info that is different on the batteries. The two i have are so similar I can't tell which is the original. I even Googled it and not alot came up with identifying a positive manufacture date for this battery. sorry I couldn't answer your question, but I hope this gives u some benefit, anyway I think it is worth the buy considering its probably less expensive than at a battery store or a walmart type store if u can even find 1. My the odds forever be in your favor! « Show Less
57840
From my experience, the life expectancy is about 2 years. The only reason I keep buying these batteries is because I have several pieces of equipment that uses this battery and I don't want to just throw them away. I have about 4 of these batteries and i keep one in the charger most of the time. I have thrown away about 3 of them in the last 5 years. The battery will do well for about a year and then it will lose it's charge sitting on the shelf. I'm guessing these batteries that we are buying are several years old when we receive them. Sorry to tell you this.
1552099
there is 24 mo. warranty. don't think amazon is authorized dealer, heard you have to go thru the company that makes the battery. I haven't had any problems with battery either.
875752
Great comments! One more question: Anyone know the life of the battery? Do they age over time? I was going to get a spare battery but hate to have it age in the drawer - not used much if at all.
826333
I bought them a couple of months ago. I don't see a date anywhere on them but there is a stamped number of "43" on the battery. All the batteries were fully charged and I did not have any defective ones. I have bought the same batteries before from these people with no regrets.
1979413
I do not see an expiration date on battery. There may have been one on the package but we no longer have that. Original battery lasted over four years.
1459003
They have a manufacture date of 2012/04 stamped on them and the use before date printed on the battery is Mar 2021. It seems to me they say 10 years but mine aren't allowed to lay on the shelf that long. I like them. I use them. And I reorder them. I prefer the Duracell.
114057
I'm not sure. Cannot locate the information but if you have questions contact them. Our battery seems to be performing well. MM
1989518
I'm sorry I can't be of much help. I ordered the battery for my father for his camera, and for my own camera, which is different, I am not observant enough to know how long the battery lasts. I hope you find your answer! Sorry I couldn't help.
617600
No manufacturing date on my batteries, probably hid in the serial number. Sorry I couldn't be more help.
1577507
The battery I purchased had a manufactured date of 2013 on it and was new (unused) so I wasn't concerned. I wouldn't buy one older but that's just my opinion.
2148303
It is my understanding that the date code on the batteries are manufacturing dates. No expiration date. Week number/year, ex: 0813, the eight week of 2013.