I've got the button cells for my 3D glasses from Samsung. So guenstig they were indeed 2.50 or so I've paid, bit 5. However, show me my 3D glasses equal to the loading of the cell that Battarie is almost empty. normally would be taking only light up the status light green and red only after some time at. Well for me it is red right from the start and instead of a term of 30-50h I could just a two hour movie look plus NEN bit rumgespielen with brille..also of the term of her not at all satisfactory. in my fine scale in the kitchen she works however wonderful. expiration date is designed sufficient for me to stand 12-2017 plan. Blister was OVP only likely from a larger bar separated ... I will take now anyway the Samsung glasses with battery, since I Eco friendly not every film a new button cell will break open even if this could be done at the price without any problems. ,