But in an emergency or in the wake of a disaster, a working cell phone or GPS can be a life saver and it would be wise not to count on the availability of a clean, reliable USB power supply.
IQonIC Works USB-C/PD power ... supply (PPS) charger solution. The USB Type-C source controller detects connections ... This macro-cell is a precision linear Li-Ion battery charger core (4.2V, ±1%) ...
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