HP / Compaq PB991A  battery (not original)

Specifications:
Voltage: 10.8V
Capacity: 4400mAh
Type: Li-Ion

Replaces the following batteries from Compaq:
381373-001
383510-001
HSTNNIB12
PB991A
HP Compaq Business Notebook 4200 Series
HP Compaq Business Notebook NC4200 Series
HP Compaq Business Notebook NC4400
HP Compaq Business Notebook TC4200
HP Compaq Business Notebook TC4400