Battery Type: Replacement Battery
Cell Type: Li-ion
Battery Number: 6 Cells
Voltage: 10.8V
Capacity: 4400mAh / 48Wh
Color: black

Replace Part Numbers:
587706-751, 587706-761, 593572-001,
BQ350AA, HSTNN-CB1A, HSTNN-CBOX, HSTNN-DB1A,
HSTNN-Q78C, HSTNN-Q78C-3, HSTNN-Q78C-4,
HSTNN-Q81C, HSTNN-UB1A, HSTNN-W79C-5, PH06

Fit Laptop Models:
HP 420,
HP 421,
HP 425,
HP 4320t,
HP 620,
HP 625
HP ProBook 4000 Series
ProBook 4320s, ProBook 4320t, ProBook 4321s,
ProBook 4325s, ProBook 4326s, ProBook 4420s,
ProBook 4421s, ProBook 4425s, ProBook 4520s,
ProBook 4525s
COMPAQ
Compaq 320,
Compaq 321,
Compaq 325,
Compaq 326,
Compaq 420,
Compaq 421,
Compaq 620,
Compaq 621