Sunpower 70w enclosed power supply sps 070 xx and sps 070p xx series sunpower sps 070p 48 the sunpower sps 070p 48 is a 70w single output enclosed power supply from the sps 070p xx range the psu has a standard mounting fixture identical in construction to products of other power supply manufacturers making them ideal as replacements this highly efficient psu is supplied with a pfc function option designated by the p in the part number the psu can operate between 20degc to 70de