LiPo (external, via JST)
4 devices
Adafruit ESP32-C6 Feather
Dev Board
Open-source Feather-form-factor ESP32-C6 board with WiFi 6, BLE 5, Thread, Zigbee, STEMMA QT, NeoPixel, LiPo charging with MAX17048, and CircuitPython support — $14.95.

SparkFun Thing Plus Matter - MGM240P
Dev Board
Feather-compatible Matter/Thread/Zigbee/BLE dev board based on Silicon Labs MGM240P with Qwiic, LiPo charging, microSD, and +20dBm radio range.

DFRobot FireBeetle 2 ESP32-C6
Dev Board
Low-cost ESP32-C6 IoT board with WiFi 6, BLE 5, Thread, Zigbee, Matter, solar panel charging with MPPT, and ultra-low 16µA deep sleep — for $5.90.

Seeed Studio XIAO ESP32C6
Dev Board
Thumb-sized (21×17.8mm) Matter/Thread/Zigbee/WiFi 6/BLE 5.3 dev board with dual RISC-V cores, onboard antenna, 15µA deep sleep, and hardware security — for ~$5.
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More to explore — popular traits shared by devices with Battery Capacity: LiPo (external, via JST).