J5019 Charging Module 

Description

J5019 Charging Module

Lithium Li-ion 18650 3.7 Volts 4.2 Volts Battery Charger Board with DC-DC Step Up Boost Module J5019 module is a small single cell lithium battery charging module which also includes a 1 Ampere step-up (boost) converter for powering a large range of applications. The module will charge most types of single cell (3.7 V) LiPo batteries from either 4 to 8 Volts power supply input, or from a standard 5 Volts USB port/adapter. A battery charge and standby LED is also included for visual indication. Besides battery charging capabilities this module also includes an adjustable boost converter which is capable of stepping up the attached battery voltage from 4.5 to 24 Volts with a maximum supply current of 1 Ampere