The Toshiba Satellite PA3489U-1MPC is not a computer model itself, but a specific component: the Intel Wireless LAN Mini-PCI Express Card (specifically the Intel PRO/Wireless 3945ABG).
This card was commonly installed in older Toshiba Satellite laptops manufactured around 2005–2007 (such as the A100, A105, P100, and P105 series). Toshiba Satellite Pa3489u-1mpc Driver
Here is a detailed guide regarding the drivers for this device. The Toshiba Satellite PA3489U-1MPC is not a computer
Cause: The battery’s internal controller has lost calibration, or the Power Saver utility is missing. Solution: Perform two full discharge/charge cycles using the Toshiba Battery Refresh tool. If that fails, your PA3489U-1MPC battery has reached end-of-life (typical lifespan: 3-5 years). Replace it. File name example: acpi-common-v2009
This is the closest thing to a "battery driver." The ACPI Common Module allows the operating system to communicate with the embedded controller that manages battery charging, temperature monitoring, and capacity reporting.
acpi-common-v2009.exe