Lithium Akku Netzteil V1.1 Erweiterungsplatine für Raspberry Pi 3 Modell B 2B B+
Description: Compatible Battery Type: 3.7V 3800mAh The working PMU (Power Manage Unit)can be only worked for charging mode or step-up mode at the same time. If the USB-A interface without any external load (like Pi), with 5V input voltage of Micro USB, then the PMU enter charging mode. The PMU will integrate a current-limiting resistor with the external voltage, 5V voltage for Lithium battery, around 4.6V-4.7V voltage for USB-A interface.(The "ON" LED lights ) The PMU would enter step-up mode without external 5V voltage. Under this circumstance, turn on the switch, USB-A interface can output maxmum 5V voltage, two USB-A interface can maxmum output 1.8A current. Note: It only support power by battery, not working with external power.
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