Description
Need a battery back up for your Arduino or ESP32? This module takes care of charging your 18650 battery (not included) and supplies power to your controller when there is no normal power connection.
Specifications
Input port: Micro USB
USB output type: Type-A
0.5A current charging
1 switch control USB output
Input Voltage:5~8V
Output: 3V & 1A (x3)and 5V & 4A (x3)
LED indicate: Green means full,Red means charging
Size: 9.8x2.9cm