2 ms·
A 3.7V nominal li-ion battery would peak at about 4.5V while charging. A bit high, but a well designed circuit should be able to do that off 5V. Besides, 75% is
by Filligree 2y ago
A 3.7V nominal li-ion battery would peak at about 4.5V while charging. A bit high, but a well designed circuit should be able to do that off 5V. Besides, 75% is far short of where the voltage starts to spike.