4 Power Supply, RPI Pack Standard 4000mAh Battery with 4000mAh Lithium Battery for

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  • PROTECT FUNCTION the external output port has a self-recovery to prevent the RPi from burning due to an external short circuit. 1) 5V.3A self-recovery When the two USB output currents total 3A, the self-recovery will be blown. When it's no load, the 5V output will be automatically restored. 2) PMU over-discharge protection When the lithium batter voltage is lower than 2.8V, PMU thinks battery is over-discharged and it cuts off the 5V output to protect the lithium battery.
  • TWO MODE The link to the assembly video is available on the product page, Two power supply modes outdoor portable type and indoor UPS power supply mode 1) As an outdoor portable power supply, the main board is powered by a lithium battery. The maximum external power supply capacity is 5.1V. 2.5A. 2) As an indoor UPS power supply mode the UPS power supply interface is connected to an external 5V power supply, the power supply requires 5V 2A-3A, and the maximum output current can reach 5V 3A.
  • TWO OUTPUT MODES except for the regular output via the USB port. At strong currents, such as for high loads .
  • NOTE If you use UPS to power Raspberry Pi3b 3B+ while charging, please make sure that the input power is not less than 2.5A. Recommended use 3V 2.5A power supply The document link is obtained in the product description.

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