10PK Micro USB 3.7V 18650 Lithium Li-ion Battery Charger Module Boost Step up 5V
Module Feature: Micro USB DC-DC Step up Boost module Charging board. Module x 10 pcs.
10 Pack Micro USB 3.7V to 9V 2A DC-DC Step Up Boost Module for 18650 Battery
Module Feature: Micro USB DC-DC Step up Boost module Charging board. Discharging current: Max 2A. Module x 10 pcs.
3.7V 9V Micro USB 18650 Lithium Battery Charging Board Charger Module 10pcs
Module Feature: Micro USB DC-DC Step up Boost module Charging board. Module x 10 pcs. Charging current: Max 1A.