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WH/KGWatt Hours Per Kilogram (energy density)
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Beginning with its patented manufacturing process, Kokam's battery solutions feature a compact battery cell design, an industry-leading energy density of 260 Watt hours per kilogram (Wh/kg) and a long cycle life, making them optimized to achieve light, energy efficient solutions meeting the safety demands of an aircraft.
Using nanotechnology, the company has achieved materials that provide up to 290 watt hours per kilogram, giving them twice the run time for the same weight or half the weight for the same run time.
It has a typical charge time of three hours and energy of 150 watt hours per kilogram. By comparison, one candidate for the next generation of batteries--fuel cell batteries--offers charging times of a few seconds and 1,000 watt hours per kilogram.