Two Lithium 18650 Battery Voltage Shield V8 Mobile Power Expansion Board Module 5v3a 3v1a Micro Usb For Arduino Esp32 Esp8266

Two Voltage 18650 Lithium Battery Shield V8 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB For Arduino ESP32 ESP8266

Note: 18650 battery is not included in this product

This module is a portable mobile power supply that supports 3V / 1A and 5V / 2.2A two voltage outputs!

5V voltage output rated current is 2.2A, maximum support 3A current (not 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,

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!

Feature:

Input overvoltage protection, output overcurrent/short circuit protection, charging timeout/overvoltage protection

Output current up to 3A, efficiency up to 95%

With LED identification percentage electricity metering

Battery protection(Over charge or Over discharge)

Micro USB port Input

Type-A USB Output

0.5A current charging

1 switch control USB output

5~8V Input Voltage

3V & 1A Output

5V & 2A Output

LED indicate(Green means full,Red means charging)

3V output port x3

5V output port x3

Be careful of "+" and "-", You should follow the direction of "+""-" on the PCB.

If you put wrong direction, charging chip will be destroyed.

This product does not include 18650 battery

Usage Instruction:

Click to boot

Long press the button to shut down

4 way LED power status indication, automatically turn off the lights after 3 seconds, the battery is less than 3V alarm 6 under protection, less than 2.4 V full stop, no action

Battery current is as low as 3μA after standby

Intelligent input and output, don't worry about charging time is too long

Package includes:

1pcs * 18650 Battery Charge Shield Board