Lithium Battery Shield 18650 V8 Power Bank Battery Charger Micro USB Board

Features: This module is a portable mobile supply that supports 3V / 1A and 5V / 2.2A two voltage outputs 5V voltage output rated current is 2.2A maximum support 3A current ( recommended for overload easy to damage the module speed up the service life) the output of current depends on the quality of the 18650 battery Micro- USB charging current 600mA-800mA supports up to two 18650 batteries. It is recommended to use two 18650 batteries which can be longer Specifications: Colour: black Material: plastic Package Contents: 1 * Battery expansion board Special attention: the installation of the battery must be determined positive and negative the board has been clearly marked positive and negative! Installation errors will burn out the module