How long do these last?
1081267
It depends on the situation. In a sealed container with no extra source of moisture, indefinitely. In my incredibly damp garage about 30 minutes. They can be "reactivated" by baking in the oven and I have been experimenting with using low power settings in the microwave with some success. (full power causes them to "Snap, crackle, and pop). I also bought some of the little humidity indicator cards so I can monitor the humidity in my containers.
360310
I've had mine about a year, use them every day for at least 3 or 4 hours. Still perfect.
2038343
They last about 2 days for our dog. We used to get the small, but they were gone in an hour or so.
426403
No, I have not. And so far, I have not had any problems with them lasting for weeks and even several months.
1294265
They are LED so they should lasts for around 50,000 hours on. I have had them for 3 years. I have 12 lighs throughout my home. I have had 1 go bad in that time. The whole thing (light and speaker) went bad.
469154
I believe they are supposed to last for one year. I have been using mine for over 6 months now and it has barely changed in size.
2061575
HI, i am not sure how long they would last, but i had them installed for about a year now and no problems at all.
953543
MIne are lasting quite a long time. Sseveral years and on for as much as 12 hrs per day.
999082
They last for like a year. The expiration date is on the top it is show as "year-month"
76930
I've had them and use for over 6 months and they still operate. How long they will continue to work is anyone's guess.
1900779
they last pretty long for me. It really depends on the type of item your using these batteries for. But for me they always last at least 5 hours. Theyre pretty reliable for me. They also take like a day to fully recharge for me, i go to sleep & when i wake up their fully charged.
1110824
Depends if you purchased New or Old or Refurbished or so. They do last 3-5 years depending on how well they are looked after.
1390286
They last pretty long. Make sure you use quality batteries, like Duracell or Energizer. Don't forget to turn them off when not in use. I don't want to attempt to guesstimate how many hours, but we really don't have to change them often. If they start making funny noises, time to change batteries.
703889
Howdy, I have only had my set for about two months and used them maybe six times. The manual says that the product life is roughly six months with daily constant use. So I am sure that six months is the low end on the interval on which these are good to use. In my personal opinion I believe that these will last much longer than six months.
1326624
I does last for a long time....I bought mine in Feb. and it is still going strong...normally they are supposed to last 50,000 hours and I am still counting.
1111056
I would say a few weeks, depending where you put them. If you have them in a rather air-tight container, they last a very long time...if there is air exchange, they obviously won't last as long. I like them a lot but I did have one go bad on me...when I was re-charging...for some odd reason, the balls turned black...rendering that one useless...the others that were in the same condition and were heated for the same time did just fine...
1603061
I truthfully do not know. I do know that I do not change mine every 6 months. I would think that they last a long time as I have not seen any date on them.