A vehicle, said vehicle being powered by electrical power, the vehicle comprising: a propulsion system, said propulsion system for controllably causing the vehicle to move to one or more desired locations, said propulsion system being electrically powered; a rechargeable electrical storage for storing electrical power and providing at least some of said electrical power for the vehicle; a navigation system to provide movement instructions for said vehicle indicative of said desired locations relative to a current location; a power line charging unit, the power line charging unit comprising a removably attachable deflector for generating through induction electrical power from a power line electromagnetic field of a power line (150, 610), wherein the deflector is a charging transformer comprising a coil and a magnetic core and said deflector generates an electrical current through induction and is configurable between an open position for engagement and disengagement of the power line (150, 610) and a closed position for enclosing said power line when generating electrical power; characterised in that the vehicle further comprises an electromagnetic field detector which assists with positioning of the charging unit during engagement and disengagement, said power line charging unit further comprises a magnetic field opposer, said power line charging unit via the magnetic field opposer generates an opposing magnetic force opposite in direction to a power line magnetic force generated by the power line electromagnetic field generated by the enclosed power line which would inhibit the opening of the deflector when reconfiguring said deflector between an open position and a closed position. a propulsion system, said propulsion system for controllably causing the vehicle to move to one or more desired locations, said propulsion system being electrically powered; a rechargeable electrical storage for storing electrical power and providing at least some of said electrical power for the vehicle; a navigation system to provide movement instructions for said vehicle indicative of said desired locations relative to a current location; a power line charging unit, the power line charging unit comprising a removably attachable deflector for generating through induction electrical power from a power line electromagnetic field of a power line (150, 610), wherein the deflector is a charging transformer comprising a coil and a magnetic core and said deflector generates an electrical current through induction and is configurable between an open position for engagement and disengagement of the power line (150, 610) and a closed position for enclosing said power line when generating electrical power; characterised in that the vehicle further comprises an electromagnetic field detector which assists with positioning of the charging unit during engagement and disengagement, said power line charging unit further comprises a magnetic field opposer, said power line charging unit via the magnetic field opposer generates an opposing magnetic force opposite in direction to a power line magnetic force generated by the power line electromagnetic field generated by the enclosed power line which would inhibit the opening of the deflector when reconfiguring said deflector between an open position and a closed position.