I would like to use these for a total of 16 hours. Will they last that long? If not, are the batteries replaceable? What battery type do these take?
1684910
I haven't use it consistently but my 1 year old has ran around the house for hours with it flashing and several days that happened. I have to warn you it took a long time to receive them and the fibers were folded in half so they would not lay straight and after few hours of moving around they started falling out. Lastly the location of the LED's is clear plastic which allows the bright lights to flash therefore you lose the attention of any of the fiber optics. The batteries are like watch batteries but the case is glued shut.
1684911
I am not sure about a whole 16 hours; I haven't tried to make them run that long. I've seen them go for as long as 8 hours and they weren't fading, we just turned them off after that. The battery doesn't look replaceable to me; it's a closed clear plastic case. The strands pull out and the plastic barrette case won't put up with a lot of abuse.
725784
Hi there....I can't say exactly how long the batteries last, but I do know that we went to Haiti and ran two of them ALL night while we slept for one week, and never changed the batteries. Hope that helps.
2065337
I've had mixed luck with replacement batteries, and it's not necessarily a "get what you pay for" scenario. I'd say the "bad" replacement batteries I bought probably gave me an hour of actual run time, whereas I've had good replacement batteries give me at least 4 or 5 hours, maybe more. I mainly use it for less than 10 minutes at a time, so it's hard to judge the run time I get out of batteries. Either way, replacements are small enough and cheap enough to just keep a few on hand at all times.
169630
Thanks. How many batteries? According to your experiences, do they last for 7 months as expected?
180227
First of all, that is not at all the use they were designed for. I suppose it could work, but the specs say the batteries last up to 40 hours, so if you used the lights much at all, you would be changing the batteries quite often.
1233289
I never run my batteries completely low so I do not know what the time would be from that point. I put about 3-5 hours of listening on them and the they are fully charged in approximately two hours.
2171580
Yes! They are Metal hydride rechargeable batteries, which should last for years. You could also use AAA alkaloid batteries, but why would you.
352463
They will last through the night but only one (or maybe two) nights. The battery would quickly be extinguished and you would probably spend a lot on replacing the battery every other night. I also use a nightlight but I use a small light that plugs into the wall with a nightlight bulb in it. I also have one of these http://www.amazon.com/GE-Flower-Design-Incandescent-51386/dp/B002DNG9A2/ref=sr_1_18?ie=UTF8&qid=1410570644&sr=8-18&keywords=night+light which works really well. Hope that helps! These Mushroom lights are still fun and are really good for a few hours a night!
195794
Yes, they are AA like any other, Not rechargeable so you can use them in anything that takes a normal battery. They will just last a lot longer. Hope that helps.
434009
Less than 4 hours for mine. The battery really does last a long time. I've had mine for several months and use them for up to 4 hours or more at a time, a couple of days a week. I have only had to charge them a couple of times so far. I am impressed with the battery in these.
1289226
Regular batteries (AA I think) and they last a pretty long time. I've had my first set about two years now and maybe have replaced batteries once, maybe twice. Wear them an average of 9 -12 hours a week.
154213
Can't give exact time but they last pretty good time. They use reg AAA batterys.
624559
The batteries last surprisingly long, many hours of use. Yes you can use rechargeable batteries but you'd have to remove them to charge them.
352465
They will last through the night but only one (or maybe two) nights. The battery would quickly be extinguished and you would probably spend a lot on replacing the battery every other night. I also use a nightlight but I use a small light that plugs into the wall with a nightlight bulb in it. I also have one of these GE Metal Shade With Flower Design Incandescent Night Light 51386 which works really well. Hope that helps! These Mushroom lights are still fun and are really good for a few hours a night!
124953
They won't last very long I'm sorry to say. I left mine on the 'timer' setting expecting to enjoy them off and on using the remote control. The batteries were dead in less than 2 weeks.
2269945
Best to use Duracell (4) AA batteries. They should last 20-24 hours if new. Keep recirculating them as they loose power within the unit for max. use. I always keep an extra set in my carrying case for back-up and change after the ones in my unit are about 1/2 life left. You can use rechargeable but they won't last as long and you need to charge them up before you go out for max. efficiency. Happy Hunting!!!
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.