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Energy density (Energydensity) refers to the amount of energy stored in a unit of a certain space or mass matter. The energy density of a battery is the electric energy released by the average unit volume or mass of the battery. The energy density of a battery is generally divided into two dimensions: weight energy density and volume energy density. Battery weight energy density = battery capacity...
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Smart Shopping Cart is a shopping cart equipped with an electric motor and navigational controls. It includes a seat (often equipped with an occupant seat switch activating movement of the motorized shopping cart from the occupant's weight) thereby also making it a motorized wheelchair, and it has a rechargeable battery that can be charged by plugging in the device when not in use in order t...
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