A system for recharging an implanted medical device, the system comprising: a first pair of electrical coils (351A/351B) having a first central axis, the first pair of coils configured to provide a first uniform magnetic field in a first cylindrical region located between the first pair of coils when the first pair of coils is electrically energized; a second pair of electrical coils (361A/361B) and having a second central axis, the second pair of coils configured to provide a second uniform magnetic field in a second cylindrical region located between the second pair of coils when the second pair of coils is electrically energized; and a source of electrical energy coupled to the first pair of coils and to the second pair of coils, the source configured to provide electrical energy to energize the first pair of electrical coils and to energize the second pair of electrical coils; wherein the first uniform magnetic field and the second uniform magnetic field form a resultant magnetic field within an area common to both the first cylindrical region and the second cylindrical region, the resultant magnetic field operable to provide a charging energy to at least one receiving antenna of the implanted medical device located within the resultant magnetic field when the first pair of coils and the second pair of coils are electrically energized; and characterised in that the second pair of coils is configured to be rotated around the first central axis of the first pair of coils while keeping the second uniform magnetic field of the second pair of coil orthogonal to the first uniform magnetic field of the first pair of coils. a first pair of electrical coils (351A/351B) having a first central axis, the first pair of coils configured to provide a first uniform magnetic field in a first cylindrical region located between the first pair of coils when the first pair of coils is electrically energized; a second pair of electrical coils (361A/361B) and having a second central axis, the second pair of coils configured to provide a second uniform magnetic field in a second cylindrical region located between the second pair of coils when the second pair of coils is electrically energized; and a source of electrical energy coupled to the first pair of coils and to the second pair of coils, the source configured to provide electrical energy to energize the first pair of electrical coils and to energize the second pair of electrical coils; wherein the first uniform magnetic field and the second uniform magnetic field form a resultant magnetic field within an area common to both the first cylindrical region and the second cylindrical region, the resultant magnetic field operable to provide a charging energy to at least one receiving antenna of the implanted medical device located within the resultant magnetic field when the first pair of coils and the second pair of coils are electrically energized; and characterised in that the second pair of coils is configured to be rotated around the first central axis of the first pair of coils while keeping the second uniform magnetic field of the second pair of coil orthogonal to the first uniform magnetic field of the first pair of coils.