I have another question on the GE864-QUAD module. In the hardware user guide there are no requirements for the supply voltage of the charger input.
Wich voltage has to be applied? Wich current is needed?
Can I charge the battery with a USB power supply?
The figures are given in Product Description doc, min/typ/max 5/5.5/7 V, max input current 400 mA. Reading these, an USB port might be inappropriate without some processing.
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