Adafruit ESP32-S3 Manual page 209

Arduino Library Installation
You can install the necessary libraries from the Library Manager. To open, click Sketch
> Include Library > Manage Libraries...
Search for LC709203F, and install the Adafruit LC709203F library.
When asked about installing dependencies, click Install all.
©Adafruit Industries
The LC709203 battery monitor
(highlighted in red) is located towards the
top of the board, near the center, below
the USB and 13 pin labels on the silk. Its
I2C address is 0x0B. (0xb, which is
returned by I2C scan, is the same as 0x0B,
which simply has leading zeros.)
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