Ready for your
battery design? Let's go. In the ideal/theoretical case, the
time would be
Time(H) = Capacity(Ah)/Current(A). If the capacity is given in amp-
hours and current in amps,
time will be in
hours (charging or discharging).
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An amp-hour is one amp for one hour, or 10 amps for 1/10 of an hour and so forth. It is amps X hours. If you have something that pulls 20 amps, and you use it for 20 minutes, then the amp-hours used would be 20 (amps) X . 333 (hours), or 6.67 AH.