The capacity values of these devices can be written using kW (kilowatt) and kWh (kilowatt hours), but don't think that a 90 kW motor is anything like a 90 kWh battery pack. That little h makes a ...

times{\text{time (hour, h)}}\) Note that power is measured in kilowatts here, instead of the more usual watts. To convert from W to kW you must divide by 1,000. For example, 2,000 W = 2,000 ÷ ...