Product Description

Dual 18650 Battery Holder V3 Development Board(Compatible with Raspberry Pi/STM32)

What makes it special?

  • Battery protection (overcharge or over-discharge)
  • Miniature USB port input
  • Type a USB output.
  • 0.5 A current charging.
  • 1 switch controls USB output /5 ~ 8 V input voltage.
  • Output of 3 V and 1 A and output of 5 V voltage 2 A.
  • LED indication (green, red for charging)
  • 3 V output port.
  • The 5 V output port should be careful with "+"and "-", and the direction you should follow is "+" and "-" on the PCB.

Note: If you put it in the wrong direction, the charging chip will be destroyed. This product does not include battery 18650.

The module is a portable power bank, supports two voltage outputs of 3V/1A and 5V/2.2A! The rated current of 5V voltage output is 2.2A, and the maximum supports 3A current (not recommended for overload, easy to damage the module, and accelerate the service life ), the current output depends on the quality of the 18650 battery!

MICRO USB charging current is 600mA-800mA.

When the switch is toggled to NORMAL, the current output is less than 30ma, and it will stop automatically in about 10 seconds

To switch to standby mode. When it is toggled to HOLD, no matter what the situation, it will always

Turn on until the battery is dead (the 2512 resistor on the back will heat up)

Special attention: The positive and negative poles of the battery must be determined for the installation of the battery, and the positive and negative poles have been clearly marked on the board! Incorrect installation will burn the module!

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