A battery charger, or charge controller, for a photovoltaic system is disclosed, comprising a maximum power point tracker (MPPT) circuit, which may be bypassed by means of a bypass circuit. The bypass circuit may be a simple electrical wire or link. The ba...

A photovoltaic unit is disclosed comprising a plurality of sub-units connected in series, each sub-unit having a main input and a main output, which main output is connected to the respective main input of a neighbouring sub-unit, each sub-unit further com...