Arduino Fans

Description

5V 1A 2A Mobile Power Bank Charger Control Module Micro USB Polymer Lithium Battery Charging Board DIY Step Up Boost Converter

• 100% New and High Quality Mobile Power Bank Charger Control Board
• Input: 5V 1A (use mobile phone charger)
• Output: 5V 1A USB Port A and 5V 2A USB Port B
• Input Interface: Micro USB port
• LED Flashlight
• 4 LEDs Battery Capacity Status Indicators
• Note: The installation and usage of these modules require some basic knowledge of electronics, if you don’t know how to install, please don’t buy it.

Charging Display:when charging 0-25%,the first light will flash,and other lights are off;when charging 25%-50%,the second light will flash,and the first light remains on;when charging 50%-75%,the third light will flash,and the first two lights remain on;when charging 75%-100%,the fourth light will flash,and the first three lights remain on;then the four lights are all on until charging to 100%

Adaptive Battery: 3.7-4.2V polymer battery
Protection Function: over-voltage protection; over-current protection; under-voltage protection
Charging Input Requirement: the most advisable is over 5V 1A charger, and any other 5V constant voltage power supply can also be used.