Packard Bell Easy Note F7305/P Compatible Battery 14.8V 4400mAh

Packard Bell Easy Note F7305/P — 14.8V Ni-CD Replacement Battery (441684410001)

This is a 14.8V, 4400mAh (65.12Wh) nickel-cadmium replacement battery for the Packard Bell Easy Note F7305/P and related F7300-series notebooks. It matches the original voltage rail and connector pinout for this laptop line. OEM part numbers 441684410001, BP-8599, and BP-8X99 all cross-reference to this cell.

• F7300-series fit: The Easy Note F7280, F7300, and F7305 share the same 14.8V battery bay and BMS handshake protocol. One cell revision covers the full range because Packard Bell used a common power board across these models without changing the connector or communication lines.
• Bench tested on actual hardware: We ran this cell through full charge and load cycles on the Easy Note platform. The BMS communicated correctly with the system board, reported state-of-charge without errors, and held voltage under sustained CPU and display load without tripping the protection circuit.
• Post-install calibration on Ni-CD cells: After fitting this battery, run the laptop on battery power until it reaches hibernate-cutoff, then charge uninterrupted to 100%. Ni-CD cells require this discharge-to-recharge cycle to reset the BIOS battery learn cycle and clear the inaccurate health warning that appears after every cell swap.

BIOS reporting battery health as poor immediately after replacing the cell

The Easy Note BIOS stores charge history and health data in EEPROM linked to the original cell. When a new battery is installed, that stored data no longer matches what the new cell reports, so the BIOS flags health as poor or unknown. This is not a fault with the replacement cell. Running one full discharge-to-hibernate cycle followed by a complete uninterrupted charge allows the firmware to rewrite the EEPROM baseline against the new cell. After one to two full cycles, the health indicator returns to normal.

Laptop shutting down at 20–30% battery shown on screen

This happens when the fuel gauge IC has not yet calibrated against the new cell's actual discharge curve. The percentage shown is calculated against old EEPROM data, so the laptop hits a voltage cliff the OS does not anticipate and shuts down hard before the gauge reaches zero. The fix is not a hardware swap — it is calibration. Run two or three full discharge cycles to hibernate-cutoff, charging fully between each one. By the third cycle, the fuel gauge IC recalculates the curve and the shutdown at 20–30% stops.