Recommended · for some experience
#387 Test of Battery operated ESP32 Boards (Olimex, TinyPICO, EzSBC, TTGO)
Why people recommend it
Andreas Spiess compares battery-powered ESP32 boards, and people cite it, plus the results spreadsheet linked below the video, when choosing a board by deep sleep current.
Watch for: Check the description for the results table
In their words
Also, there is an interesting video from Andreas Spiess testing several ESP32 boads for low power design with a table (link in description) summarizing the result.
meuh on electronics.stackexchange.com, Jul 2021. CC BY-SA.
A new video from the guy with the Swiss accent: Test of Battery operated ESP32 Boards (Olimex, TinyPICO, EzSBC, TTGO)
ErikR on electronics.stackexchange.com, Jun 2021. CC BY-SA.
