Pacific Bell Cordless phone battery For the Pacific Bell Replaces Cordless phone batteries CS-P304CL FITS devices 810, 820 This battery is designed for the Pacific Bell with a capacity of 300 , it is manufactured by our ISO 9001 certified supplier to a very high standard. Please note some of our extended batteries may be supplied with a rear cover to facilitate the greater capacity which may hinder fitting in any holders you may have. As we supply a very large range of batteries we cannot always have stocks of the slower moving lines as batteries have a shelf life and we insist on quality control for our customers, which may mean slightly delayed shipment date, where this is necessary you will be advised by email. Battery Type: Ni-CD Battery Voltage: 3.7V 3.6V Battery Capacity: 300