Electronics > Projects, Designs, and Technical Stuff
Ultra-thin battery?
jeduffy:
Does anyone know where I can buy cheap, very thin (<=1mm) batteries?
I don't really need any significant density (a few mAh is fine). I've found a few places that make them, but no one that sells them for reasonable prices or in small quantity.
Application is I'm applying for jobs the next couple months and looking to make some circuit board business cards.
(can't do USB power, most companies don't allow plugging in unknown USB devices)
sleemanj:
A cr2012 or 2016 sunken into a routed out hole of your pcb with a flat strip soldered across the bottom and a formed sort of strip soldered on top to apply contact pressure could work?
NB: You might need to think about shipping issues if you intend to mail these cards, certainly no li-ion.
rvalente:
Check these
https://youtu.be/kJXRyWQgOY4
I wanted a rude username:
--- Quote from: sleemanj on December 21, 2019, 09:15:45 am ---A cr2012 or 2016 sunken into a routed out hole of your pcb with a flat strip soldered across the bottom and a formed sort of strip soldered on top to apply contact pressure could work?
--- End quote ---
And you can get CR1616/CR2016 cells with surface-mount solder tabs to make assembly even easier. The canonical example being the original Arduboy.
SiliconWizard:
Rechargeable or primary? (I suppose the latter?)
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