CMOS BATTERY FOR HP PAVILION DV6000 DV9000 AHL03003095 Description NEW  LITHIUM BATTERY TECHNOLOGY FOR HP PAVILION DV6000 DV9000 SERIES NOTEBOOKS CMOS / REAL TIME CLOCK BATTERY (replaces models and part references below) P/N :  AHL03003095 P/N : CR2032-2E31R+ 3 Volt LITHIUM BATTERY THIS BATTERY IS FOR THE MODELS BELOW & FOR OTHERS NOT LISTED   HP PAVILION DV6000 HP PAVILION DV6100 HP PAVILION DV6200 HP PAVILION DV6300 HP PAVILION DV6500 HP PAVILION DV9000 COMPAQ PRESARIO V6000 COMPAQ PRESARIO V6100 COMPAQ PRESARIO V6400   THE BATTERY KEEPS THE NOTEBOOK'S DATE/CLOCK SETTINGS RUNNING IN THE BIOS LOCATED ON THE MOTHERBOARD YOU WILL NEED THIS BATTERY IF YOUR LAPTOP GIVES YOU THE BELOW ERROR CODES OR SCREEN MESSAGES: INVALID DATE, TIME, OR CHECKSUM ERROR.