MAX1811 USB port on to recharge the battery produced an integrated very little material circuit can be established circuit charge status LEDs can be observed also 4.1 volts, 4.2 volts elections and 100mA 500mA charging current can be selected... Electronics Projects, Li-ion Lipo Battery Charger Circuit MAX1811 USB Powered "battery charger circuit, power electronic projects, simple circuit projects, " Date 2019/08/02