Lithium Li-ion 18650 3.7V 4.2V Battery Charger Board DC-DC Step Up Boost Module

Lithium Li-ion 18650 3.7V 4.2V Battery Charger Board DC-DC Step Up Boost Module

USD 0.99 USD
SKU: 1EnBpfkJ
Brand: Unbranded
GTIN: Does not apply
Condition: New

Specifications

BrandUnbranded

The module can roughly judge the working state by two LEDs, etc. CHRG is red light, STDBY is blue light. It is possible that the red light will always be on when charging. When the load is not connected, the blue light is on, and the red light is slightly on.

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