BENKIA 26650 3.7V Li-Ion?

N4SRN

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May 21, 2017
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Newbie question - I’m a bit confused with this battery. Aren’t Li-Ion batteries supposed to be 3.6V and not 3.7V?

Thanks!

Bret/N4SRN
 

NiOOH

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Oct 14, 2006
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Neither. They start fully charged at close to 4.2 V and discharge gradually to close to 3 V. 3.6-3.7 V is their midpoint voltage.
 

fivemega

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Jan 28, 2003
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Last edited:

NiOOH

Enlightened
Joined
Oct 14, 2006
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431
No battery in the world has fixed voltage.
Well, you can have a fixed output voltage out of an electrochemical cell by adding a regulation circuit in series with the load. This is how power banks work, for instance. The voltage will stay constant within the power limit of the regulator and the voltage difference in and out. Naked cells will always have voltage drop under load though.
 

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