A power cube is a leveled item which adds XM to your reserves when used. Usage The easiest way to use a power cube is to tap the quick cube button located under your XM meter.
PowerCube®, Extended USB A+C
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The PowerCube Original Duo USB has four sockets that are all equipped with a protective earthing. 2 Strong USB chargers with a combined output of
PowerCube Original USB Type E - France (Blue, Gray, Green and Red)
PowerCube Original Modular 5-Socket System Set of 2
The power cube. Source: Gaventa (2006).
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Power Cube
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The power cube: the levels, spaces and forms of power