5-20pcs 3.7V To 9V 5V 2A DC-DC Step Up Boost Module Type-C 18650 Lithium Battery Charging and Discharging Integrated Adjustable

3.66 $

Description

5-20pcs 3.7V To 9V 5V 2A DC-DC Step Up Boost Module Type-C 18650 Lithium Battery Charging and Discharging Integrated Adjustable

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