Lithium battery charging unit 18650

18650 Battery Expansion Module Version 3, Micro USB port, the 18650 Battery Shield Module Version 3 can be used to operate Arduino or Raspberry Pi. The output current in this mode reaches 2 amperes. The power unit contains a protection circuit for the 18650 battery with overcurrent and overvoltage protection. Please pay attention to the battery polarity when inserting it. Small USB port Type A USB output Charging current 0.5 amperes. One switch to control the USB output. Input voltage 5-8 volts, output 3 volts and 1 ampere. Output 5 volts and 2 amperes. LED indicator (green means charging complete, red means charging). 3 x 3-volt output ports. 3 x 5-volt output ports. Outputs and current: 5V port: (USB and side ports) provides up to 2.5 amperes (Max 2.5A). 3V port: (side ports) provides up to 1 ampere (1A). Charging: charging current via cable about 0.5 amperes. Protection: built-in overcharge and discharge protection. Control: power on/off button.