+

Micro USB 3.7V 4.2V Lithium Li-ion 18650 Battery Charger Board DC-DC Step Up Boost Power Supply Charging/Discharging

USD 0.44USD 0.55

Micro USB 3.7V 4.2V Lithium Li-ion 18650 Battery Charger Board DC-DC Step Up Boost Power Supply Charging/Discharging

Description
Specification
+