Quantity   Component name
1 × Espressif ESP32-S3-WROOM-N16R8 WiFi/BLE SoC with 8 MB flash and 2 MB PSRAM
1 × Texas Instruments BQ25628E Battery Charger IC with I2C control, max 2 A charging, and up to 18 V input
1 × Onsemi LC709204F Low quiescent current battery fuel gauge IC