Used models of this remote do not have battery covers as of 9-14-06

MODEL: CU-VSX105

PN: AXD7083, VSX305/406, CSX406, HTP101, HTP201, PDF505, PIOHTP101, USX406, VSK305, VSX405, VSX406, PACK, For REMOTE VSX305/406, Optimus STAV3570