3.7V BMS 1S 3A Circular 18650 Lithium Battery Protection Board Type:Type 1 With TDA2030 circuit Model:With Pot Knob The Op Amp IC 667614674 stretch cord
Description
3.7V BMS 1S 3A Circular 18650 Lithium Battery Protection Board Type:Type 1 With TDA2030 circuit Model:With Pot Knob The Op Amp IC 667614674 stretch cord With TDA2030 circuit Automatic function: turn off the meter after 10 minutes of non use to save battery
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