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SparkFun Sunny Buddy - MPPT Solar Charger (MPPT) Solar Charger for Single-Cell LiPo Batteries LT3652 Power Tracking 2A Battery Charging Circuit: Amazon.com: Industrial & Scientific
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Amazon.com: SparkFun ESP32 Thing Developement Board WiFi & microcontroller compatible with Bluetooth for IoT & prototyping projects w/ Integrated LiPo battery charger 4MB flash memory 3 to 3.6V operating range : Electronics
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Amazon.com: SparkFun ESP32 Thing Developement Board WiFi & microcontroller compatible with Bluetooth for IoT & prototyping projects w/ Integrated LiPo battery charger 4MB flash memory 3 to 3.6V operating range : Electronics
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