Lipo Batteries - Max & Safe Min Voltages?

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Hi @Jon13024,

For 3.7V LiPo’s, you should be able to expect:

  • 4.2V = fully charged
  • 3.7V = nominal voltage
  • 3.0V = near flat

There are some caveats depending on the age of the battery etc, especially given the swing is very fast toward the end.

Fyi, the time it takes to go from 4.2V to 3.7V, and from 3.7V to 3.0V are not equal. The voltage discharge curve will look something like this:

image