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(6) The module is equipped with two high-quality 18650 battery holders to choose from, direct plug and patch. Output 5V: current 3A, output 9V: current 1.6A, output 12V: current 1.2A). 1) Lithium battery charging.

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(6) The module is equipped with two high-quality 18650 battery holders to choose from, direct plug and patch. Output 5V: current 3A, output 9V

Lithium Li-ion 18650 Battery Charger 5V 9V Converter Module DIY UPS Power Supply

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Power Supply for ESP32 with Boost Converter & Battery Charger

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