Supercapacitors(EDLC) FAQ

Characteristics

How long does it take to charge supercapacitor(EDLC)?

In the case of constant power charge (or constant resistance charge), when charging supercapacitor with low current (high resistance), it takes longer time than the charging time calculated according to the nominal capacitance.
Charge voltage characteristic is shown by following formula.

Charge time formula
Charge voltage: Vc
Applied voltage: V
Charge time: t
Capacitance: C
Charge resistance: R

Reference data: DMF series 330mF product

Charge time (E)


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