HR-4U-900BATT NIMH 1.2V AAA 840MAH BUTTON|SANYO ENERGY|Lead free|RoHS Compliant HR-4U-1000 HHR-75AAA/B HR-4U-900TBATT NIMH 1.2V AAA 840MAH W/TAB|SANYO ENERGY (VA)|Lead free|RoHS Compliant HR-4U-1000T HHR-75AAA/B5BT