3.7V Lithium Battery Charger Protection Board 5V 1A 2A Li ion Lipo Battery Charging Protect Two in one Module Micro USB Type C|module 5v|module boardmodule charger - AliExpress
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3S 20A 18650 Li ion Lithium Battery Charger Protection Board 10.8V 11.1V 12V 12.6V Electric 15A Lipo BMS PCB PCM with balance|Integrated Circuits| - AliExpress