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Review Battery Shield V3 2023 ▷ Charging battery during usage!
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Adafruit PowerBoost 500 Shield - Rechargeable 5V Power Shield : ID 2078 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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18650 Battery Shield V8 Mobile Power Bank 3V/5V for Arduino ESP32 ESP8 – diymore
18650 Battery Shield V8 Mobile Power Bank 3V/5V for Arduino ESP32 ESP8 – diymore
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ESP32 ESP32S 18650 Battery Charge Shield V3 Micro USB Type-A USB 0.5A Test Charging Protection Board for Arduino