A charging station apparatus for wirelessly transmitting electrical power to mobile electronic devices, comprising: a planar charging surface; characterised in that it further comprises: a first prescribed even number of series-interconnected bank A source coils (150, 154, 254, 256, 258, 260); a second prescribed even number of series-interconnected bank B source coils (152, 156, 255, 257, 259, 261); and source electronics (104, 200) for energizing the bank A and bank B source coils (150, 152, 154, 156, 254-261), wherein, whenever energized, each source coil (150, 152, 154, 156, 254-261) generates an alternating electromagnetic flux field (126, 128, 130, 132) in a direction perpendicular to the charging surface, the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are alternately energized in a repeating duty cycle, and the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are interleaved so that the mobile electronic devices can have any two-dimensional orientation with respect to the charging surface. a planar charging surface; characterised in that it further comprises: a first prescribed even number of series-interconnected bank A source coils (150, 154, 254, 256, 258, 260); a second prescribed even number of series-interconnected bank B source coils (152, 156, 255, 257, 259, 261); and source electronics (104, 200) for energizing the bank A and bank B source coils (150, 152, 154, 156, 254-261), wherein, whenever energized, each source coil (150, 152, 154, 156, 254-261) generates an alternating electromagnetic flux field (126, 128, 130, 132) in a direction perpendicular to the charging surface, the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are alternately energized in a repeating duty cycle, and the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are interleaved so that the mobile electronic devices can have any two-dimensional orientation with respect to the charging surface. a first prescribed even number of series-interconnected bank A source coils (150, 154, 254, 256, 258, 260); a second prescribed even number of series-interconnected bank B source coils (152, 156, 255, 257, 259, 261); and source electronics (104, 200) for energizing the bank A and bank B source coils (150, 152, 154, 156, 254-261), wherein, whenever energized, each source coil (150, 152, 154, 156, 254-261) generates an alternating electromagnetic flux field (126, 128, 130, 132) in a direction perpendicular to the charging surface, the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are alternately energized in a repeating duty cycle, and the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are interleaved so that the mobile electronic devices can have any two-dimensional orientation with respect to the charging surface. whenever energized, each source coil (150, 152, 154, 156, 254-261) generates an alternating electromagnetic flux field (126, 128, 130, 132) in a direction perpendicular to the charging surface, the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are alternately energized in a repeating duty cycle, and the bank A source coils (150, 154, 254, 256, 258, 260) and bank B source coils (152, 156, 255, 257, 259, 261) are interleaved so that the mobile electronic devices can have any two-dimensional orientation with respect to the charging surface.