805045-851 | 811347-001 | RO04 | RO06 |RO06XL | P3G13AA. ProBook 430 G3. ProBook 440 G3. Then unscrew the old battery screws one by one, and carefully save each screw. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
