ITEM NAME:USB Lithium 3.7V Battery Charging Module 4.2V Boost Step Up 5V 9V 12V 24V HF JR Feature: Micro usb DC-DC Step up Boost module charging board The OUT+Port can output adjustable voltage Fine workmanship and good performance Specification: Input voltage: 4V-8V Output voltage: 4.3V-27V (Continuously adjustable) Charging voltage: DC 4.2V Charging current: Max. 1A Discharging current: Max. 2A Size: approx. 33*23*9mm Package included: 1 x Step Up Boost Module.Micro usb DC-DC Step up Boost module charging board. 1 x Step Up Boost Module. Charging current: Max.
