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.

✍ Caution

Do not ever put in battery in reverse polarity as this will cause the charging chip burn!

▼ Features :

• Input
  • x1 : Micro USB
  • x2 : Micro USB & USB Type C
  • x4 : Micro USB & USB Type C
• Micro-USB charging current 600-800mA.
• Suitable for any USB-powered device
• Compatible WeMos, ESP, Raspberry, Arduino
• Battery protection (Overcharge or Over-discharge)
• Input port: Micro USB
• Charging current: 0.5A
• Input Voltage: 5 ~ 8VDC
• Output:
  • Type-A USB
  • 3V & 1A
  • 5V & 4A
  • 3V output solder pin
  • 5V output solder pin
• 1 on/off switch for control USB output

▼ Package included :

1 x Battery Shield