Sunpower enclosed power supply sps g015 series green mode function sunpower sps g015 15 the sunpower sps g015 15 is a 15w single output enclosed power supply from the sps g015 range this power supply has a standard mounting fixture identical in construction to products of other power supply manufacturers making them ideal as replacementsthe power supply also has a green mode function this function reduces the output power down to lt03w when in standby modea voltage input of 85 to 26