A system for charging an electric or hybrid-electric vehicle, the system comprising: a low power grid interface comprising an AC pole and a DC pole, the AC pole being electrically connected to an electrical power grid; a battery buffer electrically connected to the DC pole of the low power grid interface; and a DC-DC converter having an input DC pole and an output DC pole, the input DC pole being connected to the battery buffer and the output DC pole being connected to an electric vehicle, wherein the connection between the battery buffer and the DC-DC converter is a DC electrical connection.