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There are two types:a) hold the data only with sufficient battery voltage presentb) hold the data even with no battery voltage at allIn any case the card will have a small battery attached to the electronics.Common are the 3V lithium cells as used in calculators, scales or compter motherboards.You will have to find this battery.If all is glued and sealed you might have to seperate the paper layers or if you can see the insides with a lamp behind it cut them out.On the battery is stated what type and voltage it is.If you are lucky the battery has a clip otherwise it can be soldered in or held in place by the paper of the card itself. - Downunder35m
Thank you so very, very much!! - SheriDRM
I don't understand a lot of the technical stuff, but I would really appreciate it if somebody would explain how to recharge or repair a recorded greeting card in simpler terms. I have one that my husband recorded several years ago, and he recorded himself saying I Love You, in the card, to me. He passed away and I would give anything if I could "revive" that battery, or whatever is wrong, so I could hear his voice again! Thank you! - SheriDRM
You're welcome! - Downunder35m
Laser cutter, start slicing stuff for under 50 dollars
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