kWhr
kilowatt hour A unit of energy equal to the work done by a power
of 1,000 watts operating for one hour. This is the measure of the
battery energy. This is determined by multiplying the battery voltage
by the Ah capacity, e.g. a 3.2V 200Ah cell has an energy of 640Wh,
whereas a 256V 200Ah battery has an energy of 51.2kWh.