Battery shield for Arduino raspberry pi esp-32 esp8266 with Switching Booster circuit This is a battery shield for all kinds of MCU that operate at 5V or 3.3V it can make a regulated fixed 5v and 3.3V DC voltage to run the development board easily
You can easily install the shield on your Arduino Uno and use your other shields too
The shield has a tiny switching power supply that can make fixed regulated 5V DC and 3.3V DC even if the batteries voltage drops down
The shield works with 1 16340 size batteries and has an ON/OFF switch
Specification:
Charging interface: MicroUSB (Android port)
Charging voltage: 4.5V~5.5V; Charging current: 580mA max
Output interface: 2.5mm header and standard USB socket
5V output current: 1.3A max; 3.3V output current: 1.0A max
Charging indicator: red light during charging, full green light
