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Tian Qiu

Long-Lasting CR2032 Button Cell Battery 5 Pcs

 
( 11 Reviews)
 
US $4.69
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Product FAQs
  • Can I use a button cell battery like a normal AA battery?
  • Yes you can. A button cell also has a + and - side. However the voltage of a button cell is much less than an AA cell, meaning you would need much more button cells in series to light the bulb. You can go to an electronics store to find casings in which you can stack these cells tightly in series. Each casing then has connectors for your wires. The casing can the be screwed or glued to the circuit board. You need to know the voltage requirement of whatever you build. This will determine how many of those button cells you need.

  • What is the capacity of amp - hours in a button cell battery?
  • Like every other battery, it depends on it's size/capacity. You should show me the type of battery you use. Then I can tell you the capacity of amp. May my answer help you!

  • Why a 3V button cell cant is more powerful than 1.5v cell can power?
  • A battery is rated by how many amps it can produce in an hour, called amp-hours. The 3V button battery cannot produce enough current to move the motor. It's not designed to provide that much current quickly enough. It is designed to dispense it's power at low amounts for a long time.

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