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Question: What kind of battery does it use?  Amazon says CR2025, but Samsung web site says CR2032.  I am confused.  Thank you in advance.
Document: I ordered two pairs of these glasses for use with my Samsung 3D TV. Amazon delivered both pair in three days in appropriate protective packages. These are identical to the glasses that came with the TV. (Four pairs were supplied; we need more for the grandchildren. )Assembly is straight forward EXCEPT for getting the battery door open. This was a struggle on all six pairs of glasses.
This information can also be found on Samsung web site. If you have Samsung glasses, e.g., SSG-3100, you can also use the 5100s, or the other way around. There is a lot of false compatibility information on the internet which suggests that the owners of 2011 TVs of the D series can only use SSG-3100 series, etc. This information is false. And yes, glasses have become a lot cheaper since they were introduced.
seemed to be an very good product but did not work with my LG tv and I had to return them (thank you Amazon for your excellent customer support)
The glasses are light,My tv looks 3D with this glasses on so  it,s  work very good, they looks kind of weird the desing. Use a watch battery,Everything is good epcep for the weird looks of the glasses.
A cheap pair of glasses that I use for my panasonic tv. They work great with my tv. I purchased 25 replacement batteries for $8 on amazon. The original battery lasted about 6 months
I just bought a 50" Panasonic plasma TV w/3D capability (from Amazon). Since Amazon advertised the Samsung glasses on the page with my TV (and ConsumerReports indicate they work just fine), I purchased two pairs (for less than 1 pair of Panasonic glasses would have cost).They are very easy to use and fit over my regular glasses (which I need to see the TV clearly).
I got a new Samsung 3D TV and wanted to watch Jurassic Park 3D. I was worried that it would just be the glasses but it does come with one battery. Just the single battery was eight dollars at the drugstore luckily I skipped it after talking to the clerk about how much he hates 3D movies because his girlfriend made him see John Carter and Lone Ranger. The glasses are kind of flimsy but they worked good.Certain movies are better then others. Worst so far Brave.
I have a new Samsung 60&#34; (PN60E7000) TV that came with a couple of pairs of 3D glasses. I needed a couple more of them for guests. These glasses arrived on time, well packaged, with lens cleaner cloth and battery. The battery is very easy to install/change (CR2025) and the glasses are very lightweight. This is important for users who do not ordinarily wear eyeglasses and don't like a heavy pair of glasses hurting the bridge of their nose or leaving marks.
Only for Samsung. If you own a Samsung 3DTV then you need these. Samsung uses active 3d where others use passive. The glasses require batteries so order extra, they're cheap. The glasses as well are cheaper on amazon than in stores.
If so, how long do they remain on before they turn off? All these questions should have been addressed, but aren't.From my own personal use, I've noticed you DON'T have to manually turn the glasses off. I think as soon as the TV is done transmitting a 3D image, the glasses kind of know to shut themselves off. You'll know they're off because if you look at a screen, there's no longer a "flickering" effect from the shuttering of the lenses.
Answer: The battery included is a CR2025