In SX Microcontrollers, SX/B Compiler and SX-Key Tool, dkemppai wrote:

[quote="Kramer"]
Most of the stuff I buy locally has no data sheet.
And the label is in Chinese. Now you know why I try to rely on engineering principles.

With Lithium cells, I have noticed voltages rated in multiples of 3.7 volts and multiples of 3.6.
Since the electrolic physics cannot change, I suspect the 3.6volt devices do have protect circuitry that is causing the voltage drop.







[/quote]There are different Li-ion technologies. Each can have different charge methodologies. I have even heard that some of the newer cells can be charged to 90% in 5 minutes. So, different cells could also have different rated working output voltages.
 

-Dan

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